A strong SUV roof bag adds useful luggage space, fits the vehicle’s roof and mounting setup, and has construction suited to the weather you expect. The options here range from 15 to 40 cubic feet, with several 20- and 21-cubic-foot bags offering a middle ground for ordinary trip loads. Some emphasize waterproof closures and reinforced materials; others stand out for included hooks, mats, straps, or a large-volume design.
Check your SUV’s roof dimensions and the carrier’s attachment instructions before choosing: compatibility with vehicles that have or lack racks does not guarantee that every roof configuration is suitable. This roundup compares the listed dimensions, materials, and product details to help match a carrier to your cargo and roof setup.
The Asinking 21-Cubic-Foot Carrier is the best overall choice because it pairs 21 cubic feet of capacity with 840D PVC, triple-reinforced welded seams, and a waterproof zipper flap. Its listed kit also includes an anti-slip mat, six door hooks, two extra straps, storage bags, and a luggage lock. That combination makes it a strong fit for SUV owners seeking substantial added cargo space and useful installation accessories.
Confirm that its dimensions and attachment method suit your vehicle before loading.
Our Top Picks

Asinking 21-Cubic-Foot Carrier
Its 21 cubic feet, 840D PVC, triple-reinforced welded seams, waterproof zipper flap, mat, hooks, straps, and lock make a well-equipped SUV option.
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Large Waterproof PickThe 21-cubic-foot design uses 840D PVC and high-frequency welded seams, with a double-layer waterproof cover for weather-conscious trip packing.
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Airtight ZipperANJ Outdoors 20-Cubic-Foot Carrier
Its 20-cubic-foot PVC carrier specifies an IPX7 airtight diving zipper, 3D welded construction, door hooks, and a two-year manufacturer warranty.
View on Amazon- Roomy Shape MeeFar 21-Cubic-Foot Bag
- 1000D Material Sailnovo 21-Cubic-Foot Carrier
Compare Roof Bags by Capacity, Design, and Included Accessories
| # | Product | Dimensions | Weight | Material | Buy |
|---|---|---|---|---|---|
| 1 | 1. Asinking 21-Cubic-Foot CarrierBest Overall | 52"L x 40"W x 18"H | 4.24 kg | Polyvinyl Chloride (PVC) | View on Amazon |
| 2 | 2. FIVKLEMNZ 21-Cubic-Foot BagLarge Waterproof Pick | 52"L x 40"W x 17"H | 4.68 kg | Oxford Cloth | View on Amazon |
| 3 | 3. ANJ Outdoors 20-Cubic-Foot CarrierAirtight Zipper | 51"L x 39"W x 18"H | 9.3 lb | Polyvinyl Chloride (PVC) | View on Amazon |
| 4 | 4. MeeFar 21-Cubic-Foot BagRoomy Shape | 47"L x 35"W x 22"H | 4.88 kg | Polyvinyl Chloride (PVC) | View on Amazon |
| 5 | 5. Sailnovo 21-Cubic-Foot Carrier1000D Material | 51.9"L x 39.37"W x 16.9"H | — | Polyvinyl Chloride (PVC) | View on Amazon |
| 6 | 6. Mockins 40-Cubic-Foot BagOversized moving and family loads | 72"L x 48"W x 20"H | 15.7 lb | Abrasion-Resistant Vinyl | View on Amazon |
| 7 | 7. Asinking 20-Cubic-Foot CarrierRack-free setup with included hooks | 40"L x 52"W x 18.5"H | 2.39 kg | Polyvinyl Chloride (PVC) | View on Amazon |
| 8 | 8. Sailnovo 20-Cubic-Foot BagSuitcases and camping gear | 51"L x 39"W x 17"H | 8.3 lb | 1000D Oxford cloth,The Zipper lining is made… | View on Amazon |
| 9 | 9. MIDABAO 20-Cubic-Foot CarrierRack-or-no-rack cargo expansion | 51.1"L x 39"W x 17"H | 3.94 kg | Polyvinyl Chloride (PVC) Nylon | View on Amazon |
| 10 | 10. FIVKLEMNZ 15-Cubic-Foot BagCompact 15-cubic-foot loads | 46"L x 34"W x 17"H | 6.6 lb | Polyvinyl Chloride (PVC) | View on Amazon |
Detailed Reviews: Best Roof Bag For Suv

#1 · Best Overall
1. Asinking 21-Cubic-Foot Carrier
- Dimensions: 52"L x 40"W x 18"H
- Weight: 4.24 kg
- Material: Polyvinyl Chloride (PVC)
Best for: Seam-focused wet-weather hauling.
Why it ranks #1: Its 21 cubic feet, 840D PVC, triple-reinforced welded seams, waterproof zipper flap, mat, hooks, straps, and lock make a well-equipped SUV option.
Triple-reinforced welded seams distinguish Asinking’s 21-cubic-foot carrier, addressing a vulnerable point where rain can enter or fabric can tear. The 840D abrasion-resistant PVC body, waterproof zipper, and widened hook-and-loop zipper flaps add further weather defenses, while the listed dimensions offer a practical check against the roof space available on an SUV.
The 52-by-40-by-18-inch bag provides 21 cubic feet for trip luggage, and its 840D PVC fabric is specified as abrasion-resistant for rough handling. Triple-reinforced welded seams and a waterproof zipper wrapped by six-inch-wide hook-and-loop flaps form multiple barriers against water entry. The listing also names an anti-slip mat, six door hooks, a luggage lock, and extra straps, giving buyers a more specified installation and cargo-security kit than the bag alone.
- 21-cubic-foot capacity
- 840D abrasion-resistant PVC fabric
- Triple-reinforced welded seams
- Waterproof zipper with six-inch hook-and-loop flaps
- The 18-inch height may be restrictive for especially tall, bulky cargo.
Skip it if you need a smaller roof footprint; the 20-cubic-foot Asinking carrier measures 40 by 52 by 18.5 inches.
This Asinking suits SUV owners prioritizing reinforced seams and layered zipper coverage for wet-weather trips. Its 52-by-40-inch footprint and 18-inch height set the fit and cargo-shape boundaries, so compare both with your roof and luggage.
Full product details
| Brand | Asinking |
|---|---|
| Color | Black |
| Dimensions | 52"L x 40"W x 18"H |
| Item Weight | 4.24 kg |
| Manufacturer | Asinking |
| Part Number | Rooftop Cargo Carrier |
| Manufacturer Warranty Description | Heavy duty waterproof 840D PVC tear-resistant fabric |
| Material | Polyvinyl Chloride (PVC) |
| Model Number | Black |

#2 · Large Waterproof Pick
2. FIVKLEMNZ 21-Cubic-Foot Bag
- Dimensions: 52"L x 40"W x 17"H
- Weight: 4.68 kg
- Material: Oxford Cloth
Best for: Rain-exposed family road trips.
Why it ranks #2: The 21-cubic-foot design uses 840D PVC and high-frequency welded seams, with a double-layer waterproof cover for weather-conscious trip packing.
High-frequency welded seams and a double-layered waterproof cover are the FIVKLEMNZ bag’s defining protection, helping shield packed luggage during wet-weather drives. Its 21-cubic-foot capacity adds substantial roof storage for road trips, camping, and family vacations, while the 52-by-40-inch footprint gives buyers concrete dimensions to compare with their SUV roof.
The 840D PVC material and welded seams work together with the double-layer cover to protect cargo in rain or snow, making this a weather-focused option for trips where bags may stay on the roof for long stretches. At 21 cubic feet and 52 by 40 by 17 inches, it offers room for bulky luggage without relying on a hard-shell carrier. Check that the stated footprint suits your available roof area before loading.
- 21-cubic-foot cargo capacity
- 840D PVC material
- High-frequency welded seams
- Double-layered waterproof cover
- The listed package includes no components, so mounting accessories are not specified.
Skip it if you need included door hooks or straps; Asinking’s Black 21-cubic-foot carrier lists mounting accessories.
Choose this FIVKLEMNZ for family travel or camping when a 21-cubic-foot soft bag and layered weather protection suit your plans. Its 52-by-40-inch footprint is a key boundary, so compare those dimensions with your SUV’s roof.
Full product details
| Brand | FIVKLEMNZ |
|---|---|
| Color | black |
| Included Components | NO |
| Dimensions | 52"L x 40"W x 17"H |
| Item Weight | 4.68 kg |
| Manufacturer | FIVKLEMNZ |
| Part Number | FIVKLEMNZ612 |
| Manufacturer Warranty Description | 12 Months |
| Material | Oxford Cloth |
| Model Number | Upgrade Version |
Listed on Amazon as: FIVKLEMNZ 21 Cubic Rooftop Cargo Carrier Waterproof Soft Car Roof Bag
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#3 · Airtight Zipper
3. ANJ Outdoors 20-Cubic-Foot Carrier
- Dimensions: 51"L x 39"W x 18"H
- Weight: 9.3 lb
- Material: Polyvinyl Chloride (PVC)
Best for: Airtight-zipper weather protection.
Why it ranks #3: Its 20-cubic-foot PVC carrier specifies an IPX7 airtight diving zipper, 3D welded construction, door hooks, and a two-year manufacturer warranty.
An IPX7 airtight diving zipper is the defining feature of this ANJ Outdoors carrier, paired with heat-welded seams to help protect luggage from rain, snow, and dust. The 20-cubic-foot bag measures 51 by 39 by 18 inches, giving SUV owners a defined size to weigh against its specialized closure and construction.
The knife-coated 840D PVC and 3D welded construction specify the bag’s material and seam approach, while the IPX7 airtight diving zipper and protective closures add listed barriers against weather. Together these features are relevant to trips where luggage must stay protected from rain, snow, or dust. Its 20-cubic-foot capacity and 51-by-39-by-18-inch dimensions help buyers gauge load and roof coverage; the included door hooks and anti-slip mat are listed for installation.
- IPX7 airtight diving zipper
- Knife-coated 840D PVC
- 3D welded construction
- Door hooks and anti-slip mat included
- Its 20-cubic-foot capacity is smaller than the 40-cubic-foot Mockins XXL bag.
Skip it if you need 40 cubic feet for a move; Mockins MA-RB-40BLK-89-V2 lists that larger capacity.
Choose ANJ Outdoors for an SUV load where an airtight zipper and welded construction are priorities. Its 20-cubic-foot capacity and 51-by-39-inch footprint set practical limits, so match the bag to both cargo volume and roof space.
Full product details
| Brand | ANJ Outdoors |
|---|---|
| Color | black |
| Included Components | Cargo carrier bag, door hooks, anti-slip mat, instructions |
| Dimensions | 51"L x 39"W x 18"H |
| Item Weight | 9.3 pounds |
| Manufacturer | ANJ International LLC |
| Part Number | 100104 |
| Manufacturer Warranty Description | 2 Year Manufacture Warranty |
| Material | Polyvinyl Chloride (PVC) |
| Model Number | CL26020 |

#4 · Roomy Shape
4. MeeFar 21-Cubic-Foot Bag
- Dimensions: 47"L x 35"W x 22"H
- Weight: 4.88 kg
- Material: Polyvinyl Chloride (PVC)
Best for: Wide straps and door-hook mounting.
Why it ranks #4: The 21-cubic-foot bag has a 47-by-35-by-22-inch profile, 800D PVC tarpaulin, welded construction, and included door hooks and combination lock.
MeeFar specifies 1.5-inch straps, described as 50 percent wider than others, alongside four plus two door hooks for securing this 21-cubic-foot roof bag. That combination gives buyers a defined attachment approach without straps entering the car, while the 47-by-35-inch footprint offers a comparatively compact width to assess against an SUV roof.
The 800D PVC tarpaulin uses high-frequency voltage technology, with the listing identifying waterproof and tearproof construction for luggage exposed to road weather. Its 47-by-35-by-22-inch dimensions provide 21 cubic feet of storage, with the taller profile shaping the cargo space. Wider 1.5-inch straps and reinforced four-ply strap seams address the attachment points, while the sealed zipper is described as easy to use. Six door hooks provide the stated alternative to straps inside the vehicle.
- 21-cubic-foot capacity
- 800D PVC tarpaulin
- 1.5-inch-wide straps with reinforced seams
- Six door hooks and sealed zipper
- The 22-inch height creates a taller roof load than lower-profile bags.
Skip it if you want a lower profile; FIVKLEMNZ Upgrade Version is listed at 17 inches high.
MeeFar fits SUV owners who want a 21-cubic-foot bag with wide straps and door-hook mounting. Its 22-inch height is the key boundary, so consider roof clearance and the taller loaded profile before choosing it.
Full product details
| Brand | MeeFar |
|---|---|
| Color | Orange |
| Included Components | Comes with housing |
| Dimensions | 47"L x 35"W x 22"H |
| Item Weight | 4.88 kg |
| Manufacturer | MeeFar |
| Part Number | P |
| Manufacturer Warranty Description | 1 yeah |
| Material | Polyvinyl Chloride (PVC) |
| Model Number | 21 Cubic Feet |
Listed on Amazon as: Car Roof Bag Rooftop Cargo Carrier Bag Waterproof 21 Cubic Feet roof Cargo
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#5 · 1000D Material
5. Sailnovo 21-Cubic-Foot Carrier
- Dimensions: 51.9"L x 39.37"W x 16.9"H
- Material: Polyvinyl Chloride (PVC)
Best for: Large-load PVC soft-bag trips.
Why it ranks #5: It offers 21 cubic feet in a 51.9-by-39.37-by-16.9-inch size and lists 1000D PVC tarpaulin for its waterproof material.
A 21-cubic-foot capacity paired with 1000D PVC tarpaulin makes Sailnovo’s bag a clear option for SUV trips needing substantial storage and a heavy-duty material specification. The 51.9-by-39.37-by-16.9-inch dimensions give a concrete fit reference, and the listing notes a bare-roof hook detail buyers should consider during installation.
The stated capacity is intended to handle luggage for six people, while the 1000D PVC tarpaulin is identified as waterproof and durable, linking large-load use with weather protection. At 51.9 by 39.37 by 16.9 inches, the bag has a defined footprint and profile to compare with the SUV roof. For bare roofs, the supplied note says seals must be peelable for hooks, an installation condition that matters before choosing this setup.
- 21-cubic-foot capacity
- 1000D PVC tarpaulin
- Waterproof material
- Dimensions provided for roof-fit planning
- Bare-roof installation requires seals that can be peeled for the hooks.
Skip it if you have non-peelable seals on a bare roof; ANJ Outdoors CL26020 lists patented door hooks.
Sailnovo suits an SUV owner carrying a large group’s luggage who wants a 21-cubic-foot PVC bag. For a bare roof, the peelable-seal requirement is a decisive installation boundary to check.
Full product details
| Brand | Sailnovo |
|---|---|
| Color | Black and Orange |
| Included Components | CAR ROOF BAG |
| Dimensions | 51.9"L x 39.37"W x 16.9"H |
| Manufacturer | Sailnovo |
| Part Number | SL-JQ2EWDK |
| Manufacturer Warranty Description | 1 |
| Material | Polyvinyl Chloride (PVC) |
| Model Number | SL-2WS1WQ |
Listed on Amazon as: Sailnovo Car Rooftop Cargo Carrier 21 Cubic Feet Waterproof Soft Roof Bag
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#6
6. Mockins 40-Cubic-Foot Bag
- Dimensions: 72"L x 48"W x 20"H
- Weight: 15.7 lb
- Material: Abrasion-Resistant Vinyl
Best for: Oversized moving and family loads.
Why it ranks #6: Its 40-cubic-foot capacity is the largest listed, with six door and trunk hooks, straps, a roof mat, and stated fit with or without racks.
Mockins’ 40-cubic-foot capacity is the defining advantage for SUV owners moving oversized loads that exceed typical soft roof-bag space. Its 72-by-48-by-20-inch dimensions accommodate bulky items such as suitcases, sleeping bags, and tents, while the listing says it fits vehicles with or without crossbars, side rails, and roof racks.
The 72-by-48-by-20-inch profile provides a large stated cargo area for moving or trips with bulky gear, but it also makes roof-space planning especially important. The abrasion-resistant vinyl construction is specified for the soft-shell carrier, and the accessory list includes buckle straps, ratchet straps, six door hooks, two trunk hooks, a roof mat, and a bag lock. Those named pieces give multiple listed attachment options and a mat for placement on the roof.
- 40-cubic-foot capacity
- Abrasion-resistant vinyl
- Fits vehicles with or without crossbars, side rails, and roof racks
- Ratchet straps, door hooks, trunk hooks, mat, and lock included
- Its 72-by-48-inch footprint requires substantially more roof area than smaller bags.
Skip it if you lack roof space for a 72-by-48-inch bag; MIDABAO M-02 measures 51.1 by 39 inches.
Mockins fits SUV owners moving bulky gear or carrying unusually large trip loads, provided the roof can accommodate its 72-by-48-inch footprint. Its oversized dimensions are a meaningful fit boundary, not a compact everyday option.
Full product details
| Brand | Mockins |
|---|---|
| Color | Black/Orange |
| Included Components | 3x Buckle Straps & 3x Black Ratchet Straps, 6x Door Hooks & 2x Trunk hooks, Carry Bag, Roof Cargo Bag 72"x48"x20" and Bag Lock, Roof Mat |
| Dimensions | 72"L x 48"W x 20"H |
| Item Weight | 15.7 pounds |
| Manufacturer | Mockins |
| Part Number | MA-RB-40BLK-89-V2 |
| Manufacturer Warranty Description | 10 Year Limited Warranty |
| Material | Abrasion-Resistant Vinyl |
| Model Number | MA-RB-40BLK-89-V2 |
| Additional Information | Important Information Proposition 65 Warning for California Consumers WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (DEHP) which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov |
Listed on Amazon as: Mockins 40 CuFt XXL Soft-Shell Car Roof Bag 72"x48"x20" with Accessories
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#7
7. Asinking 20-Cubic-Foot Carrier
- Dimensions: 40"L x 52"W x 18.5"H
- Weight: 2.39 kg
- Material: Polyvinyl Chloride (PVC)
Best for: Rack-free setup with included hooks.
Why it ranks #7: This 20-cubic-foot PVC model includes a non-slip mat, combination lock, four door hooks, and a stated two-year warranty for quality issues.
Four anti-scratch door hooks and a non-slip mat give this 20-cubic-foot Asinking carrier a clearly specified mounting kit for vehicles with or without roof racks. A combination lock and storage bag are included as well, making the package useful for buyers who want named setup and stowage accessories alongside a soft roof bag.
The 40-by-52-by-18.5-inch dimensions describe the space this 20-cubic-foot bag occupies, helping SUV owners assess roof coverage before installation. Its listed non-slip mat provides a layer between bag and roof, while four anti-scratch door hooks offer a stated attachment option for vehicles without racks. After a trip, the included storage bag gives the carrier a place to be kept; the combination lock adds a listed luggage-security feature.
- 20-cubic-foot capacity
- Non-slip mat included
- Four anti-scratch door hooks
- Combination lock and storage bag included
- Its 20-cubic-foot capacity is less than the 21-cubic-foot bags in this roundup.
Skip it if you need 21 cubic feet; FIVKLEMNZ Upgrade Version offers that capacity in a 52-by-40-by-17-inch bag.
Pick this Asinking when the included hooks, mat, lock, and storage bag match your rack-free or rack-equipped SUV setup. Its 20-cubic-foot capacity and 40-by-52-inch footprint are the main limits to weigh against your load.
Full product details
| Brand | Asinking |
|---|---|
| Color | Black with Orange |
| Included Components | 1x 20 cubic feet waterproof vehicle soft-shell carriers, 1x combination lock, 1x non-slip mat, 1x storage bag, 4x anti-scratch door hooks |
| Dimensions | 40"L x 52"W x 18.5"H |
| Item Weight | 2.39 kg |
| Manufacturer | Asinking |
| Part Number | rooftop cargo carrier |
| Manufacturer Warranty Description | 2-Year Warranty for All Quality Issues |
| Material | Polyvinyl Chloride (PVC) |
| Model Number | car roof cargo carrier |
Listed on Amazon as: Asinking Car Rooftop Cargo Carrier Bag, 100% Waterproof Non-Rip 20 Cubic Feet Car Roof Bag for All Vehicles with/Without Rack, Includes Non-Slip Mat, Luggage Lock, 4 Door Hooks, Storage Bag
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#8
8. Sailnovo 20-Cubic-Foot Bag
- Dimensions: 51"L x 39"W x 17"H
- Weight: 8.3 lb
- Material: 1000D Oxford cloth,The Zipper lining is made…
Best for: Suitcases and camping gear.
Why it ranks #8: The 20-cubic-foot carrier lists 1000D Oxford cloth, six door hooks, two extra luggage straps, and roof-type installation guidance.
Sailnovo lists 20 cubic feet of space for four to six medium suitcases, camping tents, sleeping bags, and other travel gear, giving SUV owners a concrete load reference. The 1000D Oxford cloth body and PVC zipper lining distinguish its material construction, while the included hooks and extra straps support different roof setups.
At 51 by 39 by 17 inches, the bag has a defined roof footprint, and its 20-cubic-foot capacity offers room for the listed suitcases or camping equipment. The 1000D Oxford cloth and PVC zipper lining specify distinct material choices for the body and closure area. Heavy-duty buckles, waterproof zippers, sturdy door hooks, and reinforced dual stitching address attachment and closure, while the listing provides detachable straps for the stated crossbar setup when spacing exceeds 53 inches and there is no sunroof.
- 20-cubic-foot capacity
- 1000D Oxford cloth with PVC zipper lining
- Six extra door hooks and two extra luggage straps listed
- Reinforced dual stitching
- The stated crossbar setup requires spacing over 53 inches and no sunroof.
Skip it if you have crossbars spaced 53 inches or less; Asinking Black 21-cubic-foot carrier lists broader vehicle compatibility.
This Sailnovo suits SUV travelers packing several suitcases or camping gear who value Oxford cloth and a specified strap kit. Its crossbar instructions set a clear fit boundary; review the roof-type guidance before installation.
Full product details
| Brand | Sailnovo |
|---|---|
| Color | Black |
| Folded Size | 10inch*5inch*15inch |
| Included Components | 1x rooftop cargo carrier 2x extra luggage straps 6x extra door hooks 1x car storage carrying bag 1x manual |
| Dimensions | 51"L x 39"W x 17"H |
| Item Weight | 8.3 pounds |
| Manufacturer | Sailnovo |
| Part Number | Sailnovo-5033 |
| Manufacturer Warranty Description | 1 year |
| Material | 1000D Oxford cloth,The Zipper lining is made of PVC. |
| Model Number | Sailnovo-SOUS5033 |
Listed on Amazon as: Sailnovo Rooftop Cargo Carrier roof Bag, 20 Cuft fit Cars with/Without Rack
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#9
9. MIDABAO 20-Cubic-Foot Carrier
- Dimensions: 51.1"L x 39"W x 17"H
- Weight: 3.94 kg
- Material: Polyvinyl Chloride (PVC) Nylon
Best for: Rack-or-no-rack cargo expansion.
Why it ranks #9: Its 51.1-by-39-by-17-inch PVC-and-nylon bag provides 20 cubic feet and is listed for cars with or without roof racks.
MIDABAO’s 20-cubic-foot bag is listed for cars with or without roof racks, making broad mounting compatibility its clearest practical draw for SUV owners. Its 51.1-by-39-by-17-inch dimensions describe a substantial but defined roof footprint, while the product’s coated zippers and anti-slip mat address two useful details for travel setup.
The 20-cubic-foot capacity and 51.1-by-39-by-17-inch dimensions help buyers judge whether the bag can take their trip load and fit their roof. The listing describes PVC-and-nylon material and coated zippers, giving the closure a stated protective treatment, while an anti-slip mat is identified in the title for placement between the bag and vehicle. Compatibility with vehicles with or without racks makes it relevant across different SUV roof setups.
- 20-cubic-foot capacity
- Fits vehicles with or without roof racks
- Coated zippers
- Anti-slip mat included
- Its 20-cubic-foot capacity is below the 21-cubic-foot options in this roundup.
Skip it if you need one extra cubic foot; Sailnovo SL-2WS1WQ lists a 21-cubic-foot capacity.
Choose MIDABAO if your SUV may carry a roof bag with or without racks and its 20-cubic-foot capacity meets your load. Compare the 51.1-by-39-inch footprint with your roof before packing.
Full product details
| Brand | MIDABAO |
|---|---|
| Color | BLACK |
| Included Components | Comes with housing |
| Dimensions | 51.1"L x 39"W x 17"H |
| Item Weight | 3.94 kg |
| Manufacturer | MIDABAO |
| Part Number | M-02-02 |
| Manufacturer Warranty Description | 1 |
| Material | Polyvinyl Chloride (PVC) Nylon |
| Model Number | M-02 |
Listed on Amazon as: MIDABAO 20 Cubic Waterproof Duty Car Roof Top Carrier-Car Cargo Roof Top Bag, Waterproof & Coated Zippers includes Anti Slip Mat with or without Racks (20 Cubic Feet)
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#10
10. FIVKLEMNZ 15-Cubic-Foot Bag
- Dimensions: 46"L x 34"W x 17"H
- Weight: 6.6 lb
- Material: Polyvinyl Chloride (PVC)
Best for: Compact 15-cubic-foot loads.
Why it ranks #10: Its 15-cubic-foot capacity and 46-by-34-by-17-inch dimensions suit a smaller load, while 840D PVC, a mat, straps, hooks, and lock are listed.
At 15 cubic feet and 46 by 34 by 17 inches, this FIVKLEMNZ roof bag offers a smaller storage footprint than the brand’s 21-cubic-foot model. Its 840D PVC construction, welded seams, and double-layered waterproof cover focus on protecting a more compact load, making the size a useful match for lighter SUV cargo needs.
The 15-cubic-foot capacity and 46-by-34-inch footprint can suit buyers who do not need a larger bag to occupy their SUV roof. For weather protection, the listing specifies 840D PVC, high-frequency welded seams, and a double-layered cover, features that support carrying luggage through rain or snow. Six door hooks, reinforced straps, an anti-slip mat, and a luggage lock are named in the title, giving buyers several specified setup and security accessories.
- 15-cubic-foot capacity
- 840D PVC material
- Welded seams and double-layered waterproof cover
- Six door hooks, straps, mat, and luggage lock listed
- The 15-cubic-foot capacity is smaller than the other FIVKLEMNZ bag’s 21 cubic feet.
Skip it if you need 21 cubic feet; FIVKLEMNZ Upgrade Version provides that capacity for larger loads.
Choose this FIVKLEMNZ when your SUV needs a compact 15-cubic-foot bag with specified hooks, straps, and weather protection. Its smaller capacity is the central trade-off for buyers packing bulky or family-sized loads.
Full product details
| Brand | FIVKLEMNZ |
|---|---|
| Color | Black |
| Included Components | NO |
| Dimensions | 46"L x 34"W x 17"H |
| Item Weight | 6.6 pounds |
| Manufacturer | FIVKLEMNZ |
| Part Number | ROOFTOP-CARGO-001 |
| Manufacturer Warranty Description | 60DAYS |
| Material | Polyvinyl Chloride (PVC) |
| Model Number | FIVKLEMNZ612 |
Listed on Amazon as: FIVKLEMNZ Car Rooftop Cargo Carrier Roof Bag Waterproof for All Top of Vehicle with/Without Rack Includes Topper Anti-Slip Mat + Reinforced Straps + 6 Door Hooks + Luggage Lock
View on AmazonCheck roof fit before loading
A carrier’s claim to fit vehicles with or without racks does not confirm that it fits every SUV roof. Compare the listed bag dimensions with the usable roof area, and follow the product’s setup directions for your roof type. The 40-cubic-foot Mockins measures 72 by 48 by 20 inches, considerably larger than the common 51- to 52-inch-long, roughly 39- to 40-inch-wide bags in this lineup; its extra capacity may be a poor match for a smaller roof.
Attachment details also matter: the Sailnovo 20-Cubic-Foot Bag includes installation guidance by roof type, and its notes describe crossbar spacing and a no-sunroof condition for one setup. Sailnovo’s 21-cubic-foot listing notes that seals must be peelable for hooks on bare roofs.
Treat those instructions as compatibility checks, not optional details, and verify your roof configuration before buying.
How to Choose an SUV Roof Bag
Capacity and dimensions
Choose capacity by the amount of luggage you need to move and the roof area available. Most options here hold 20 or 21 cubic feet, with listed dimensions around 51 to 52 inches long and 39 to 40 inches wide. The FIVKLEMNZ 15-Cubic-Foot Bag is smaller at 46 by 34 by 17 inches, while the Mockins 40-Cubic-Foot Bag expands to 72 by 48 by 20 inches.
A modest load or tighter roof may favour the smaller end; family trips with more bulky gear may favour a 20- or 21-cubic-foot option. Choose the XXL carrier only after checking that its footprint suits your SUV.
Material and closure details
Look beyond a waterproof label and compare the listed materials and closure construction. The products include 800D PVC tarpaulin, 840D PVC, 1000D PVC tarpaulin, 1000D Oxford cloth, and abrasion-resistant vinyl. The Asinking 21-Cubic-Foot Carrier lists 840D PVC, triple-reinforced welded seams, and a waterproof zipper flap; the ANJ Outdoors 20-Cubic-Foot Carrier specifies an IPX7 airtight diving zipper and 3D welded construction.
Those details may appeal to buyers preparing for wet-weather travel. Material descriptions differ, however, and they do not establish how a bag will perform in your particular conditions, so protect valuables appropriately and follow the closure instructions.
Attachment kit and roof setup
Match the included attachment hardware to your SUV’s roof rather than assuming all mounting setups are interchangeable. The Asinking 21-Cubic-Foot Carrier lists six door hooks and two extra straps, while the MeeFar 21-Cubic-Foot Bag lists 4+2 door hooks and 1.5-inch-wide straps. The Sailnovo 20-Cubic-Foot Bag includes six extra door hooks and two luggage straps, and its listing provides roof-type installation guidance.
If your SUV has crossbars, consult the carrier’s strap instructions; if it has a bare roof, check hook and seal requirements first. Buyers prioritizing an extensive accessory kit may prefer a model listing hooks, straps, and a mat, while those with a specific roof configuration should prioritize compatible instructions.
Which Roof Bag Should You Choose for Your SUV?
For most SUV owners who want a well-equipped carrier around 21 cubic feet, choose the Asinking 21-Cubic-Foot Carrier: it combines 840D PVC, reinforced welded seams, and a broad accessory kit. If waterproof construction is your main priority, the ANJ Outdoors 20-Cubic-Foot Carrier lists an IPX7 airtight zipper and 3D welded construction. For a larger load, the Mockins 40-Cubic-Foot Bag offers the lineup’s greatest capacity, but check its 72-by-48-inch footprint against your roof.
The FIVKLEMNZ 15-Cubic-Foot Bag suits a smaller cargo need, while the Sailnovo 20-Cubic-Foot Bag is worth considering if roof-type installation guidance is useful. In every case, confirm dimensions and mounting instructions for your particular SUV before use.
Frequently Asked Questions
How can I check whether a roof bag will fit my SUV’s roof?
Compare the bag’s stated dimensions with the usable roof area, accounting for roof rails, antennas, and other obstructions. Check your SUV’s manual for roof-load limits and confirm the bag’s attachment method is compatible with your roof. Allow space for secure fastening, and follow the carrier’s installation instructions.
Can a soft roof bag be used safely on a bare roof or sunroof?
It depends on the bag’s instructions and your SUV’s roof design. Use a bare roof only if the carrier permits that mounting method, and place any included protective mat as directed. Check sunroof guidance in both manuals, keep the bag clear of moving parts, and never exceed the vehicle’s load limit.
How should I protect luggage from water and keep a roof bag secure?
Close the zipper and cover it with any supplied flap as directed; waterproof construction does not eliminate the need for careful packing. Put moisture-sensitive belongings in sealed inner bags, distribute cargo evenly, and fasten every required hook and strap. Recheck the attachments before driving and during stops, following the carrier’s instructions.
How much cargo can my SUV’s roof carry?
Use the roof-load limit in your SUV’s manual, and include the carrier and its contents when checking the total. Do not assume that a bag’s cubic-foot capacity indicates how much weight the roof can support. If the carrier or vehicle instructions are unclear, contact the manufacturer before loading.
How do I choose between a 20-, 21-, and 40-cubic-foot bag?
Start with the space your trip requires, then check the bag’s footprint against your roof and confirm the load stays within your SUV’s limit. A larger capacity can be useful for bulky cargo but may not suit every roof. The Mockins listing gives a 72-by-48-inch footprint, so verify fit carefully.
Final Words
For a well-equipped option around 21 cubic feet, the Asinking 21-Cubic-Foot Carrier is the practical overall pick, with 840D PVC, reinforced welded seams, a zipper flap, and useful installation accessories. Choose the ANJ Outdoors option if its listed waterproof construction is your priority, or the Mockins for the lineup’s greatest capacity after checking its footprint. For every choice, verify roof fit, load limits, and mounting instructions before use.

