Best Rooftop Carriers For Cars: Compare Bags and a Roof Box

#1 · Best Overall

1. Asinking 21-Cubic-Foot Bag

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

Best for: Rugged-weather soft-bag hauling.

Why it ranks #1: Its 21-cubic-foot capacity, 840D abrasion-resistant PVC, triple-reinforced welded seams, and widened zipper flaps make it a well-equipped soft-bag choice.

Triple-reinforced welded seams pair with heavy-duty 840D PVC in Asinking’s 21-cubic-foot roof bag, giving road-trip luggage a weather-resistant soft-sided enclosure. A waterproof zipper sits beneath six-inch-wide Velcro flaps, adding a layered closure intended to help keep contents dry when travel brings harsh weather.

The 52-by-40-by-18-inch bag provides space for family-trip luggage while its soft construction offers an alternative to a rigid cargo box. Its 840D abrasion-resistant PVC and triple-reinforced welded seams address wear and tearing, while the waterproof zipper and widened Velcro flaps add protection around the opening. The included anti-slip mat and six door hooks support roof placement and attachment, and two extra straps provide additional tie-down options. A storage bag helps contain the carrier when it is put away.

Skip it if you need a rigid enclosure for cargo; a hard-shell rooftop box suits that preference better.

Choose this Asinking bag for family travel when a large soft carrier and layered zipper protection suit your packing needs. Its flexible format is not a rigid box, so consider that boundary when carrying items that need hard-sided protection.

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 · Highest Capacity

2. RoofPax 23-Cubic-Foot Bag

• Dimensions: 49.2"L x 36.62"W x 22"H
• Weight: 4.99 kg
• Material: 600D Double Coated Recycled Polyester

Best for: High-capacity hook-strap hauling.

Why it ranks #2: The largest listed capacity is 23 cubic feet, with double weatherproof zippers, ten tie-down straps, and included safety hook straps.

RoofPax pairs 23 cubic feet of storage with patented four-door-hook straps, avoiding straps routed inside the vehicle according to its listing. Double weatherproof zippers and ten heavy-duty tie-down straps add further closure and fastening details, while the 49.2-by-36.62-by-22-inch bag is listed for vehicles with or without a rack or side rails.

The 23-cubic-foot capacity offers the largest stated volume among these products, with a 49.2-by-36.62-inch footprint for assessing roof space. RoofPax’s patented door-hook straps attach without routing straps inside the vehicle, and the listing also includes safety hooks. Ten heavy-duty tie-down straps support securing the load, while double weatherproof zippers address the opening. Its 600D double-coated recycled polyester construction supplies the stated material, and compatibility includes vehicles with or without a rack or side rails.

Skip it if you need a lower-profile carrier; the FIVKLEMNZ 21-cubic-foot bag is listed at 17 inches high.

Choose RoofPax for high-volume soft storage and door-hook attachment without routing straps inside the vehicle. Its 22-inch listed height is a relevant fit boundary, so consider roof clearance and the packed load before choosing it.

Listed on Amazon as: RoofPax 23 cft. Extra Waterproof Rooftop Cargo Carrier Bag, Double Weatherproof Zippers,10 Heavy-Duty Tie-Down Straps fit Cars with/Without a Rack or Side Rails, Safety Hooks Included

#3 · Secure Strap Setup

3. WORKPRO 21-Cubic-Foot Bag

• Dimensions: 52"L x 40"W x 17"H
• Material: Polyvinyl Chloride (PVC)

Best for: Night-visible, securely strapped loads.

Why it ranks #3: Ten reinforced adjustable straps, an included anti-slip mat, triple heat-welded seams, and a two-year warranty distinguish this 21-cubic-foot bag.

Ten reinforced adjustable straps, an anti-slip mat, and a full-length rear reflective stripe define the WORKPRO 21-cubic-foot carrier’s safety-focused setup. The stripe enhances visibility in low-light driving, while the straps and mat help stabilize the roof bag. Its 52-by-40-by-17-inch size provides substantial additional travel storage.

The 21-cubic-foot capacity gives travelers room to move cargo out of the cabin, while the 52-by-40-inch footprint helps assess roof space. Ten reinforced adjustable straps and larger buckles with wider straps support securing the load; the included anti-slip mat helps keep the bag in place and protect the roof from scratches. Triple heat-welded seams strengthen bonding between straps and bag, and a long rear reflective stripe improves visibility in low-light driving. These features address both fastening and nighttime awareness.

Skip it if you need hard-sided cargo protection; the SportRack Vista XL is a rigid ABS rooftop box with a lock.

Choose WORKPRO if you want a large soft carrier with extensive strap adjustment and rear reflective visibility for travel. It remains a soft bag, so buyers seeking a rigid enclosure should choose a hard-shell format instead.

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

#4 · Heavy-Duty Material

4. 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 #4: Its 21-cubic-foot size, 840D PVC, high-frequency welded seams, and double-layer waterproof cover suit buyers prioritizing weather protection.

A double-layered waterproof cover and high-frequency welded seams distinguish the FIVKLEMNZ 21-cubic-foot roof bag, helping shield packed luggage through heavy rain, snow, and long drives. Its 52-by-40-inch footprint offers substantial extra carrying space for road trips, camping, and family vacations without switching to a rigid cargo box.

The 21-cubic-foot capacity gives travelers room to move luggage out of the passenger cabin, while the 52-by-40-inch footprint helps indicate the space the bag occupies on the roof. Upgraded 840D PVC and high-frequency welded seams support durability, and the double-layer waterproof cover adds a further barrier against wet conditions. The listing also provides a setup video, which can guide owners through assembly; the listed specifications identify Oxford cloth as the material, so check product details if material choice matters.

Skip it if you want a rigid shell or exact matching height figures; the SportRack Vista XL is a hard cargo box.

This FIVKLEMNZ bag suits families and campers who want substantial roof storage with several layers of water protection. It is soft-sided, and its listed height varies between the feature text and specifications, so account for both considerations.

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

#5

5. 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: Fold-away family travel storage.

Why it ranks #5: The 20-cubic-foot bag uses 1000D Oxford cloth and includes two extra luggage straps, six door hooks, and a one-year warranty.

A stated folded size of 10 by 5 by 15 inches makes the Sailnovo 20-cubic-foot roof bag notable for storage between trips. Unfolded, its 51-by-39-by-17-inch capacity is described as holding four to six medium suitcases, while 1000D Oxford cloth and reinforced dual stitching support travel use.

The 20-cubic-foot interior gives families space for suitcases, tents, and sleeping bags, while the 51-by-39-by-17-inch dimensions clarify the bag’s roof footprint. When not in use, its listed 10-by-5-by-15-inch folded size can make storage more manageable than keeping a rigid box on hand. Heavy-duty buckles, waterproof zippers, sturdy door hooks, and reinforced dual stitching support fastening and closure. Two extra luggage straps and six extra door hooks are included, adding attachment options for travel.

Skip it if you require an explicitly PVC body; the MeeFar 21-cubic-foot bag lists 800D PVC tarpaulin.

The Sailnovo suits families who want a 20-cubic-foot soft carrier that folds down between trips and includes extra straps and hooks. Its listed fabric is Oxford cloth with a PVC zipper lining, a relevant material distinction for buyers.

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

#6

6. MeeFar 21-Cubic-Foot Bag

• Dimensions: 47"L x 35"W x 22"H
• Weight: 4.88 kg
• Material: Polyvinyl Chloride (PVC)

Best for: Door-hook mounted large-capacity bag.

Why it ranks #6: This 21-cubic-foot option lists 800D PVC tarpaulin, high-frequency construction, four plus two door hooks, and a combination lock.

MeeFar’s 21-cubic-foot bag combines four plus two included door hooks with a combination lock, offering a hook-based attachment approach and a way to secure luggage. Its 800D PVC tarpaulin uses high-frequency voltage technology, and the 47-by-35-by-22-inch carrier is listed to hold four to six suitcases.

The 21-cubic-foot capacity and stated four-to-six-suitcase volume make this bag an option for travelers moving several pieces of luggage onto the roof. Its 800D PVC tarpaulin and high-frequency voltage construction support the listed waterproof and tearproof material claim. Four plus two free door hooks provide attachment hardware, while the combination lock adds a measure of luggage security. At 22 inches high, the listed dimensions are taller than many low-profile bags, so account for that shape when planning the load.

Skip it if you need a lower-profile bag; Sailnovo’s 20-cubic-foot carrier is listed at 17 inches high.

MeeFar fits travelers who value a 21-cubic-foot soft bag, door-hook attachment, and luggage lock. Its 22-inch listed height is an important boundary when planning roof clearance and the shape of the packed load.

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

#7

7. 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-free soft-bag setup.

Why it ranks #7: It offers 20 cubic feet and includes a non-slip mat, combination lock, storage bag, and four anti-scratch door hooks, plus a two-year warranty.

The Asinking 20-cubic-foot carrier includes four anti-scratch door hooks and a non-slip mat, giving buyers key setup pieces for using the soft bag on a vehicle roof. Its 40-by-52-by-18.5-inch PVC body is listed for vehicles with or without a rack, with a combination luggage lock included.

The 20-cubic-foot capacity offers room for trip luggage, while the PVC soft-shell format avoids the rigid shape of a cargo box. Four anti-scratch door hooks are included for attachment, and the non-slip mat provides a layer between the carrier and the roof. A combination lock addresses luggage security, and the included storage bag helps with stowing the carrier between trips. At 40 by 52 by 18.5 inches, it needs roof space that accommodates its stated footprint.

Skip it if you need more than 20 cubic feet; the FIVKLEMNZ 21-cubic-foot bag offers greater listed capacity.

This Asinking carrier fits travelers seeking a soft 20-cubic-foot bag with hooks, a mat, and a storage sack included. Consider its stated footprint and capacity before packing, particularly if your trip requires more cargo room.

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

#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: Flexible 20-cubic-foot packing.

Why it ranks #8: Its 20-cubic-foot capacity and listed fit for cars with or without racks make it a roomy soft-bag alternative with an anti-slip mat.

The MIDABAO bag’s 20-cubic-foot capacity and 51.1-by-39-by-17-inch dimensions give travelers a clear size reference for adding cargo above the vehicle. Its listing says it fits cars with or without roof racks, while coated zippers and an included anti-slip mat address closure protection and roof placement.

The 20-cubic-foot space adds room for travel gear, with dimensions of 51.1 by 39 by 17 inches to help assess the roof footprint. The stated compatibility with cars with or without racks makes it an option across those two setup types. Coated zippers provide a water-resistance feature at the closure, and the included anti-slip mat supports placement on the roof. The carrier is soft-sided, so packing needs that call for a rigid shell point to a different format.

Skip it if you require a stated waterproof whole-bag construction; the FIVKLEMNZ 21-cubic-foot bag lists a double-layered waterproof cover.

MIDABAO suits travelers seeking 20 cubic feet of soft roof storage and compatibility with rack or rack-free vehicles. Its listing highlights coated zippers rather than a waterproof whole-bag construction, so weigh that distinction for wet-weather trips.

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: Compact wet-weather luggage hauling.

Why it ranks #9: The 15-cubic-foot bag is smaller than most options here, but its 840D PVC, welded seams, double-layer cover, mat, and six hooks add utility.

High-frequency welded seams and a double-layered waterproof cover give the FIVKLEMNZ 15-cubic-foot bag a weather-focused setup for road trips and camping. Its 46-by-34-by-17-inch size offers a smaller listed footprint than larger roof bags, while 840D PVC provides a heavy-duty fabric option for carrying luggage above the vehicle.

The 15-cubic-foot capacity offers extra room without the larger dimensions of a 21-cubic-foot carrier, making the stated 46-by-34-inch footprint useful to consider when roof space is limited. Its 840D PVC and high-frequency welded seams support durability, and the double-layered cover is intended to keep luggage dry in rain and snow. The supplied setup video can guide installation. Included details list a topper anti-slip mat, reinforced straps, six door hooks, and a luggage lock in the title.

Skip it if you regularly carry bulky loads; the Sailnovo 20-cubic-foot bag lists more storage and a compact folded size.

Pick this FIVKLEMNZ bag when a smaller listed capacity and weather-protective soft carrier match your trip. Its 15 cubic feet may constrain bulky packing, so compare your luggage needs with its 46-by-34-inch footprint.

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. SportRack Vista XL Box

• Material: Plastic

Best for: Hard-shell rear-access storage.

Why it ranks #10: The 18-cubic-foot ABS box has a lock and rear opening, but unlike the bags it requires a roof rack, limiting fit for some buyers.

Rear-opening access is the SportRack Vista XL’s key practical difference, letting you reach cargo from the back of the vehicle rather than opening the box beside traffic. Its rigid ABS body provides 18 cubic feet of enclosed storage, with UV-resistant construction and a lock for securing the box and its contents.

The 18-cubic-foot interior adds space for travel gear, while the rear-opening lid makes loading and retrieval more convenient when the vehicle is parked near traffic. Tool-free mounting hardware supports installation and removal without tools, and the box is listed as compatible with SportRack systems, square and round bars, and most factory racks; the fit guide remains relevant. UV-resistant ABS offers a hard-sided alternative to fabric carriers, and the included lock secures both contents and box to the rack.

Skip it if you need a soft bag that can fold for storage; the Sailnovo 20-cubic-foot roof bag lists a compact folded size.

Choose the Vista XL if rear access, a rigid UV-resistant shell, and a lock matter for your rack-mounted travel cargo. Its 100-pound listed load capacity is a firm boundary, and rack compatibility should be checked using the fit guide.

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