Best Auto Rooftop Cargo Carriers for Different Roofs and Trips

#1 · Best Overall

1. Asinking 21-Cubic-Foot 840D Bag

• Dimensions: 52"L x 40"W x 18"H
• Weight: 4.24 kg
• Material: Polyvinyl Chloride (PVC)

Best for: Reinforced all-weather soft storage.

Why it ranks #1: Its 21-cubic-foot capacity, 840D PVC, triple-reinforced seams, waterproof zipper flaps, anti-slip mat, six hooks, and extra straps make a well-equipped soft-carrier choice.

Triple-reinforced welded seams and a waterproof zipper wrapped by six-inch widened Velcro flaps give this 21-cubic-foot Asinking bag multiple listed defenses against water entry. Its heavy-duty 840D abrasion-resistant PVC fabric suits travelers who need substantial soft-sided storage for demanding weather and road-trip packing.

The 52-by-40-by-18-inch dimensions create a large area for luggage and bulky trip equipment, while the stated 21-cubic-foot volume helps shift cargo off passenger seats. Abrasion-resistant 840D PVC and triple-reinforced welded seams address wear and seam leakage, and the widened Velcro flaps cover the waterproof zipper. The title also lists an anti-slip mat, six door hooks, two extra straps, a luggage lock, and storage bags, giving owners several components for securing and handling the carrier.

Skip it if you need hard-shell protection for fragile items; the SportRack Vista XL SR7018 provides an enclosed ABS cargo box.

This Asinking bag suits road-trippers who want high-volume soft storage with reinforced seams and a covered waterproof zipper. Its flexible construction is a boundary for fragile loads that need the protection of a rigid enclosure.

Listed on Amazon as: Car Rooftop Cargo Carrier Bag, 21 Cubic Feet 100% Waterproof Heavy Duty 840D Car Roof Bag for All Vehicle with/Without Racks – Anti-Slip Mat, 6 Door Hooks, Storage Bags, 2 Extra Straps, Luggage Lock

#2 · Waterproof Capacity

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-ready family road trips.

Why it ranks #2: This 21-cubic-foot bag uses 840D PVC, high-frequency welded seams, and a double-layered waterproof cover for buyers prioritizing stated weather protection.

High-frequency welded seams and a double-layer waterproof cover pair with 840D PVC to help shield luggage through rain, snow, and long drives. Its 21-cubic-foot capacity gives families and camping travelers room to move gear onto the roof and free up space inside the vehicle.

The 52-by-40-by-17-inch soft bag offers a broad cargo area for road-trip luggage, camping equipment, or vacation supplies. Its listed 21-cubic-foot capacity can help reduce cabin crowding, while the 840D material, welded seams, and double-layer cover provide layers of weather protection. At 4.68 kg, the bag is a portable alternative to a rigid rooftop box; its soft format can also be easier to handle when loading and storing between trips.

Skip it if you need a rigid enclosure for hard-sided gear; the SportRack Vista XL SR7018 is a hard-shell cargo box.

Choose this FIVKLEMNZ bag for family trips and camping when flexible, weather-shielded rooftop storage matters. Its 21-cubic-foot capacity serves bulky luggage, but buyers needing rigid protection should choose a hard-shell box instead.

Listed on Amazon as: FIVKLEMNZ 21 Cubic Rooftop Cargo Carrier Waterproof Soft Car Roof Bag

#3 · Best Hard Box

3. SportRack Vista XL

• Material: Plastic

Best for: Secure rear-access hard-shell storage.

Why it ranks #3: The 18-cubic-foot UV-resistant ABS box has rear-opening access, tool-free mounting hardware, and a lock, offering a distinct rigid alternative to soft bags.

A rear-opening lid places access away from traffic, making the SportRack Vista XL a practical choice when loading or retrieving gear beside a busy roadside. Its 18 cubic feet of internal space and lockable ABS shell provide enclosed storage for travel essentials on compatible roof racks.

Tool-free mounting hardware supports installation and removal without separate tools, which can simplify seasonal use. The rear opening lets you reach stored items from the back rather than the traffic-facing side, while the included lock secures both contents and the box to the rack. UV-resistant ABS construction suits outdoor travel, and the stated 100-pound load capacity sets a clear limit for packing. It fits SportRack, square, round, and most factory racks; crossbar spacing is specified as 23 5/8 to min-max in the listing.

Skip it if you need more than 18 cubic feet or a soft bag; the Asinking 21-cubic-foot rooftop carrier offers more listed volume.

This box suits travelers who want lockable, enclosed cargo and rear-side access at roadside stops. Check rack compatibility and keep the load within 100 pounds; its 18 cubic feet may not suit larger packing lists.

Listed on Amazon as: SportRack Vista XL Rear Opening Cargo Box,Black

#4 · Wide Straps

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-strap luggage security.

Why it ranks #4: Its 21-cubic-foot PVC bag includes 1.5-inch straps, four plus two door hooks, and a combination lock, with welded and stitched strap seams.

The MeeFar combines 21 cubic feet of storage with 1.5-inch-wide straps and reinforced four-ply strap seams, giving loaded luggage a substantial listed fastening setup. Its 800D PVC tarpaulin is specified as waterproof and tearproof, while six door hooks and a combination lock support vehicle attachment and cargo security.

Measuring 47 by 35 by 22 inches, the bag provides a tall cargo area for luggage; the listing says it holds four to six suitcases. Its 800D PVC tarpaulin and high-frequency voltage construction support the stated waterproof, tearproof material claim. The 1.5-inch straps and reinforced four-ply seams address strap durability, while four plus two included door hooks offer attachment points without using straps inside the car. A sealed zipper is also listed as easy to use.

Skip it if you want a listed anti-slip mat; the Asinking 20-cubic-foot model B0BJ6JHQWX includes one with its soft carrier.

Choose the MeeFar for travelers prioritizing 21 cubic feet, wide straps, and door-hook attachment without interior straps. Its listed package does not specify a mat, which matters for buyers wanting that roof-contact layer.

Listed on Amazon as: Car Roof Bag Rooftop Cargo Carrier Bag Waterproof 21 Cubic Feet roof Cargo

#5

5. Sailnovo 21-Cubic-Foot Bag

• Dimensions: 51.9"L x 39.37"W x 16.9"H
• Material: Polyvinyl Chloride (PVC)

Best for: Large-capacity waterproof soft bag.

Why it ranks #5: The 21-cubic-foot bag is made from 1000D PVC tarpaulin, and its listing specifically notes a bare-roof condition involving peelable seals for hooks.

Sailnovo’s 21-cubic-foot soft bag is specified to carry around six people’s luggage, making it a substantial option for group travel. Its 1000D PVC tarpaulin is listed as waterproof and durable, and the 51.9-by-39.37-by-16.9-inch footprint gives buyers clear dimensions for planning a load.

The stated 21-cubic-foot volume and group-luggage claim suit trips when the cabin needs to stay available for passengers. Its military-grade waterproof 1000D PVC tarpaulin is listed to protect against weather, while the bag format can be handled as soft rooftop storage. The bare-roof guidance says seals must be peelable for hooks, an important setup boundary for vehicles without racks. The supplied package lists the car roof bag, but does not specify included hooks or straps.

Skip it if you need listed included door hooks and extra straps; the Sailnovo 20-cubic-foot model B0773L75SR includes both.

This Sailnovo suits group trips when 21 cubic feet of soft rooftop storage is the priority. For bare roofs, heed the peelable-seal requirement for hooks; buyers needing specified included straps should consider the listed package contents carefully.

Listed on Amazon as: Sailnovo Car Rooftop Cargo Carrier 21 Cubic Feet Waterproof Soft Roof Bag

#6

6. Asinking 20-Cubic-Foot Bag

• Dimensions: 40"L x 52"W x 18.5"H
• Weight: 2.39 kg
• Material: Polyvinyl Chloride (PVC)

Best for: Rack-flexible waterproof packing.

Why it ranks #6: This 20-cubic-foot PVC carrier includes a non-slip mat, combination lock, storage bag, and four anti-scratch door hooks, plus a stated two-year quality warranty.

The included four anti-scratch door hooks let this 20-cubic-foot Asinking bag attach without relying solely on a roof rack. Its PVC construction is listed as waterproof and non-rip, while a non-slip mat, combination lock, and storage bag add useful pieces for loading and packing away.

With dimensions of 40 by 52 by 18.5 inches, the carrier provides a sizable soft cargo area for trip luggage. The non-slip mat sits between the bag and vehicle roof, and the four door hooks provide an attachment option for vehicles without a rack. A combination lock adds a way to secure luggage, while the included storage bag gives the carrier a place to go between journeys. The supplied details do not specify a fastening or seam design.

Skip it if you want documented welded seams and a widened waterproof zipper flap; the Asinking 21-cubic-foot model B098SCL6WY lists both.

Consider this Asinking carrier for travelers seeking a 20-cubic-foot soft bag with hooks and a mat, including rack-free setups. Buyers prioritizing detailed seam and zipper weather protection should compare those listed features before choosing.

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

#7

7. 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: Compact-storing camping carrier.

Why it ranks #7: Its 20-cubic-foot 1000D Oxford-cloth bag includes two extra straps, six door hooks, and a storage bag; the listing also specifies a roof-type installation guide.

The Sailnovo folds to a listed 10-by-5-by-15-inch size, giving travelers a clear storage footprint between trips. Its 20-cubic-foot capacity can carry camping equipment and suitcases, while 1000D Oxford cloth, PVC-lined zippers, and reinforced dual stitching support a weather-conscious packing setup.

This 51-by-39-by-17-inch bag is specified to hold four to six medium suitcases, tents, or sleeping bags, so it can move bulky travel gear off the cabin seats. Heavy-duty buckles, waterproof zippers, sturdy door hooks, and dual stitching support attachment and closure. The package also lists two extra luggage straps and six extra hooks. For crossbar setups spaced more than 53 inches apart, the provided guidance says to use detachable straps; the guidance also notes a sunroof restriction for that setup.

Skip it if you have a sunroof and intend to use the specified crossbar setup; that setup is listed as requiring a roof without one.

This Sailnovo suits camping travelers who value a compact folded size and included straps and hooks. Follow the listed roof guidance: its crossbar setup specifies no sunroof, and wide crossbar spacing calls for detachable straps.

Listed on Amazon as: Sailnovo Rooftop Cargo Carrier roof Bag, 20 Cuft fit Cars with/Without Rack

#8

8. MIDABAO 20-Cubic-Foot Bag

• Dimensions: 51.1"L x 39"W x 17"H
• Weight: 3.94 kg
• Material: Polyvinyl Chloride (PVC) Nylon

Best for: Rack-free 20-cubic-foot carry.

Why it ranks #8: This 20-cubic-foot PVC-and-nylon bag measures 51.1 by 39 by 17 inches and is listed for cars with or without roof racks.

A stated 20 cubic feet of capacity in a soft bag listed for cars with or without roof racks makes the MIDABAO a flexible way to add travel storage. Its 51.1-by-39-by-17-inch footprint accommodates trip cargo, while coated zippers and an included anti-slip mat address weather and roof contact.

The carrier’s PVC-and-nylon material and coated zippers are listed as waterproof features, helping protect packed items during travel. An anti-slip mat provides a layer between the bag and the vehicle roof, and the stated compatibility with cars with or without racks makes the setup relevant to more than crossbar-equipped vehicles. At 51.1 by 39 by 17 inches, it offers a defined packing area; the supplied details do not list door hooks or a lock.

Skip it if you want included door hooks and a lock; the Asinking 20-cubic-foot model B0BJ6JHQWX lists four hooks and a combination lock.

Choose the MIDABAO for rack-flexible trips where a 20-cubic-foot soft bag, coated zippers, and a mat cover the main needs. If hooks or a luggage lock are essential, its listed package details do not include them.

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)

#9

9. FIVKLEMNZ 15-Cubic-Foot Bag

• Dimensions: 46"L x 34"W x 17"H
• Weight: 6.6 lb
• Material: Polyvinyl Chloride (PVC)

Best for: Smaller waterproof travel loads.

Why it ranks #9: The smaller 15-cubic-foot option uses 840D PVC and includes an anti-slip mat, reinforced straps, six door hooks, and a luggage lock.

At 15 cubic feet, this FIVKLEMNZ bag offers less rooftop volume than larger models while retaining listed 840D PVC, high-frequency welded seams, and a double-layer waterproof cover. That combination suits travelers seeking weather protection for a more contained load on road trips or camping outings.

The 46-by-34-by-17-inch dimensions define a smaller packing area than a 21-cubic-foot carrier, which can help travelers keep rooftop cargo limited to essentials. Its 840D PVC material and welded seams are specified to resist water entry, with the double-layer cover adding another protective layer. The title also lists an anti-slip mat, reinforced straps, six door hooks, and a luggage lock, supporting roof contact, fastening, and securing packed items.

Skip it if you need more rooftop volume; the MeeFar 21-cubic-foot model B0B1J6WYVZ offers six more cubic feet of stated capacity.

This FIVKLEMNZ fits travelers carrying a modest load who want a waterproof soft bag with hooks and a lock. Its 15-cubic-foot capacity is the key boundary for families packing more extensive luggage.

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

#10

10. Maxsa 17-Cubic-Foot Hard Box

• Dimensions: 55.12"L x 35.04"W x 16.14"H
• Weight: 35.3 lb

Best for: Lockable hard-shell cargo.

Why it ranks #10: This 17-cubic-foot hard-shell box lists a 165-pound capacity and security lock, but provides fewer fit and construction details than the other carriers.

A hard-shell format with a locking system and two included keys gives the Maxsa Innovations carrier enclosed rooftop storage for trips where securing gear matters. Its 17-cubic-foot capacity and stated 165-pound capacity provide defined limits for packing, while the supplied installation components and instructions support setup.

At 55.12 by 35.04 by 16.14 inches, the box offers enclosed space for travel gear without relying on a soft bag format. The lock and two keys address access security, and robust straps are listed to help secure the carrier. The product description says installation includes necessary components and clear instructions, which can guide setup. Its 17-cubic-foot volume is smaller than the 20- and 21-cubic-foot soft bags listed here, so larger packing lists may need a different format or more space.

Skip it if you need at least 20 cubic feet; the Sailnovo 21-cubic-foot model B0DK3N1NR1 lists more storage volume.

This Maxsa Innovations box suits travelers who want lockable hard-shell storage and a stated 165-pound capacity. Its 17 cubic feet is the boundary for larger family packing lists, and setup follows the included instructions.

Listed on Amazon as: Rooftop Cargo Carrier Box, 17Cu ft Hard Shell 165Lbs Capacity