Roof Cargo Bags Best Roof Cargo Bags: 8 Soft Carriers Compared
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By the Pickpedia Team
·8 picks compared
·Last verified November 2026
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Quick answer
The ASINKING Car Rooftop Cargo Carrier Bag 100% Waterproof 20 leads our list for its IPX66 waterproof build, welded seams and full accessory kit. The 21 cu ft FIVKLEMNZ and the 23 cu ft BagMate follow closely, each adding more room and heavy-duty 840D PVC fabric for larger vehicles.
Best Roof Cargo Bags: 8 Soft Carriers Compared at a glance
Why you can trust this guide
We compared these picks using verified manufacturer specifications, available manuals and documentation, current retailer listings, and patterns in owner feedback, alongside editorial research. We focus on measurable differences such as performance, capacity, usability, and build quality. Pickpedia does not present editorial research as laboratory testing, and we do not claim hands-on testing unless it was actually performed.
A roof cargo bag adds lockable, weatherproof storage to almost any vehicle, and most models here fit cars with or without a roof rack. The soft shell folds into a storage bag when the trip ends, so it takes up little space between journeys.
We compared capacity, fabric weight, seam construction, strap count and included accessories across eight real products. The picks below run from compact 15 cu ft bags for small cars to 23 cu ft carriers built for family vacations and camping trips.
Our top picks
ASINKING rates this bag IPX66 after more than 200 tests, pairing 900D double-coated PVC tarpaulin with heat-welded overlapped seams and a three-sided watertight zipper behind a storm flap. The 20 cu ft bag measures 40 by 52 inches and fits cars with or without a rack. It ships with a nonslip mat, four door hooks, a combination lock and a storage bag.
Capacity20 cu ft
Fabric900D double-coated PVC tarpaulin
Water ratingIPX66
IncludedNonslip mat, 4 door hooks, lock, storage bag
Pros
- IPX66 water resistance rating
- Heat-welded overlapped seams and storm-flapped zipper
- Full accessory kit included
Cons
- Smaller capacity than several rivals here
- Four door hooks is fewer than some bags supply
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FIVKLEMNZ builds this 21 cu ft bag from 840D PVC with high-frequency welded seams and a double-layered waterproof cover. Ten reinforced straps, six door hooks and an anti-slip mat hold it steady on long drives. The 52 by 40 by 18 inch footprint suits SUVs and larger vehicles.
Capacity21 cu ft
Dimensions52 x 40 x 18 in
Fabric840D PVC
Straps10 reinforced straps
Pros
- Ten reinforced straps plus six door hooks
- Double-layered waterproof cover
- High-frequency welded seams
Cons
- Bulky footprint on smaller cars
- No lock listed among the included items
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BagMate's 23 cu ft bag holds up to eight medium suitcases, the largest capacity in this group. Military-grade 840D PVC and heat-welded seams form a triple-seal waterproof design, and the kit includes a protective mat, ten reinforced straps, four door hooks and a storage bag. It installs on SUVs, vans and sedans with or without a rack.
Capacity23 cu ft
FabricMilitary-grade 840D PVC
Straps10 reinforced straps
IncludedProtective mat, 4 door hooks, storage bag
Pros
- Largest capacity here, up to eight suitcases
- Ten reinforced straps
- Protective mat guards paint
Cons
- Only four door hooks
- Large bag may overhang compact roofs
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This 21 cu ft carrier uses 840D abrasion-resistant PVC with triple-reinforced welded seams. A waterproof zipper sits under six-inch widened velcro flaps, which the maker says keeps water out in downpours. Eight thickened adjustable straps, an anti-slip mat and six padded door hooks keep it in place.
Capacity21 cu ft
Fabric840D PVC
Straps8 adjustable straps
IncludedAnti-slip mat, 6 door hooks, 2 extra straps, lock
Pros
- Widened velcro flaps over the zipper
- Triple-reinforced welded seams
- Two extra luggage straps included
Cons
- Eight straps is fewer than the ten on some rivals
- No dimensions listed
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Sailnovo uses 1000D PVC tarpaulin, the heaviest fabric weight in this lineup, on a 51.9 by 39.37 by 16.9 inch bag rated at 21 cu ft. Ten reinforced adjustable straps, six door hooks and an anti-slip mat secure the load. The maker notes it fits roofs longer than 58 inches and wider than 42 inches.
Capacity21 cu ft
Fabric1000D PVC tarpaulin
Straps10 reinforced straps
IncludedAnti-slip mat, 6 door hooks, lock, storage bag
Pros
- 1000D PVC, the heaviest fabric here
- Ten straps and six door hooks
- Folds into its storage bag
Cons
- Not suited to most vans without a rack
- Not for vehicles with sunroofs
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VEVOR's 23 cu ft bag measures 49.2 by 36.7 by 22 inches, giving plenty of room for sleeping bags, tents and suitcases. The 840D PVC shell resists abrasion and tearing, and the waterproof zipper keeps moisture out. It fits cars, SUVs and trucks with or without racks and includes a non-slip mat, storage bag, six door hooks and a combination lock.
Capacity23 cu ft
Dimensions49.2 x 36.7 x 22 in
Fabric840D PVC
IncludedNon-slip mat, storage bag, 6 door hooks, lock
Pros
- Large 23 cu ft capacity
- Six door hooks and a combination lock
- Waterproof zipper
Cons
- Taller profile than flatter bags
- No strap count listed
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Mockins backs this 53 by 40 by 17 inch, 20 cu ft bag with a five-year limited warranty. It fits vehicles with crossbars, side rails or racks and can also be secured without them. The bundle includes four buckle straps, two ratchet straps, four door hooks, a combination lock and a mesh mat that improves grip.
Capacity20 cu ft
Dimensions53 x 40 x 17 in
Straps4 buckle straps, 2 ratchet straps
Warranty5-year limited
Pros
- Five-year limited warranty
- Ratchet straps add tension control
- Mesh mat improves grip
Cons
- Only four door hooks
- Fabric weight not stated
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DUMOS keeps it compact at 15 cu ft, enough for several suitcases, sleeping bags or tents. The heavy-duty PVC shell is waterproof and tearproof, with sealed seams for all-round protection. It fits vehicles with or without a roof rack and comes with an anti-slip mat, luggage lock, security hooks, reinforcement strips and a storage bag.
Capacity15 cu ft
FabricHeavy-duty PVC
FitVehicles with or without roof rack
IncludedAnti-slip mat, lock, hooks, storage bag
Pros
- Compact size suits small roofs
- Sealed seams for weather protection
- Folds into its storage bag
Cons
- Smallest capacity in this group
- Fewer straps than larger rivals
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What to look for
How capacity maps to vehicle size
Match the bag to your roof before anything else. A 15 cu ft bag like the DUMOS suits small cars and short weekend trips, while 20 to 21 cu ft covers most SUVs. The 23 cu ft BagMate and VEVOR bags hold the most gear but need a longer, wider roof to sit flat.
Waterproof fabric and seam construction
Fabric weight and seam style decide how dry your gear stays. The Sailnovo uses 1000D PVC, the heaviest here, while ASINKING uses 900D tarpaulin with heat-welded overlapped seams and an IPX66 rating. Bags with widened velcro flaps over the zipper, like the 21 cu ft carrier, add another layer against driving rain.
Rack or no rack, and tool-free installation
Every bag in this lineup fits vehicles with or without a roof rack. No-rack setups rely on door hooks threaded through the cabin, so count them: several bags include six, while the ASINKING, Mockins and BagMate supply four. Check strap counts too, since ten reinforced straps hold a loaded bag more firmly at highway speed.
Packable design and winter use
Soft bags fold into an included storage bag, which keeps them out of the way between trips. In winter, look for welded seams, a storm-flapped or velcro-covered zipper and PVC rather than thin vinyl. Cold weather stiffens fabric, so a bag that folds down small is easier to store and load when temperatures drop.
Frequently asked questions
Do I need a roof rack to use a soft cargo bag?
No. Every bag here fits vehicles with or without a rack. On a bare roof, the bag anchors through door hooks and straps routed inside the cabin.
How much gear fits in a 21 cubic foot roof bag?
A 21 cu ft bag like the FIVKLEMNZ or Sailnovo holds luggage for roughly six people, including suitcases, tents and sleeping bags. The 23 cu ft BagMate claims room for up to eight medium suitcases.
Will a roof cargo bag keep luggage dry in heavy rain?
Look for welded seams and a protected zipper. ASINKING rates its bag IPX66, the 21 cu ft carrier uses widened velcro flaps over the zipper, and BagMate uses a triple-seal design with heat-welded seams.
Can I install one without tools?
Yes. Installation is a matter of laying the anti-slip mat, loading the bag, then tightening straps and hooking the door loops. No drilling or bolts are involved on any of these soft bags.
Is a foldable roof bag practical for weekend travel?
It is. Soft bags collapse into an included storage bag, so they take little space in a trunk or garage. For a short trip, a 15 or 20 cu ft bag is usually enough.
How do I choose a bag for a small SUV?
Measure your roof first, then pick capacity to match. A 15 cu ft bag such as the DUMOS leaves room on a compact roof, while a 23 cu ft bag may overhang. Check that your roof is longer than about 58 inches before going large.
What should I check before a winter trip?
Confirm the seams are welded rather than stitched, and that the zipper has a flap or cover. PVC fabric handles cold and moisture better than thin vinyl, and a mat underneath protects the paint.
Are these bags secure against theft?
Several include a combination lock, including the ASINKING, VEVOR, Sailnovo, Mockins and DUMOS bags. A lock deters casual tampering, but the straps and hooks are what hold the bag to the roof.
The verdict
ASINKING Car Rooftop Cargo Carrier Bag 100...
9.4/10/10
For most drivers, the ASINKING 20 cu ft bag is the safest all-round pick thanks to its IPX66 rating, welded seams and complete kit. Choose the FIVKLEMNZ for its ten-strap hold, the BagMate if you need the most room, or the DUMOS if your roof is small.
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