Best Waterproof Cargo Carrier Bag for Hitch and Roof Storage

#1 · Best Overall

1. Mockins XL 30 CuFt Cargo Bag

• Dimensions: 60"L x 24"W x 36"H
• Material: Heavy Duty Vinyl
• Weight: 5.2 kg

Best for: XL Hitch-Cargo Capacity.

Why it ranks #1: Its 30-cubic-foot capacity and 60-by-24-by-36-inch dimensions suit larger loads; three buckle straps, a combination lock, and a storage bag are included.

The Mockins XL’s 30-cubic-foot volume is its central advantage, with a 60-by-24-by-36-inch form for travelers packing more into a hitch-mounted carrier. Heavy-duty vinyl is described as all-weather waterproof construction, and the included three buckle straps support securing this large load.

The 36-inch height and 60-inch length provide room for an extra-large load while moving cargo out of the cabin. Heavy-duty vinyl is presented as waterproof protection for belongings, supporting use as a hitch bag or waterproof truck-bed storage. Three black buckle straps are included for attachment; a combination lock and separate carry-storage bag add useful handling and stowage options when the bag is off the vehicle.

Skip it if you need a lower 25-cubic-foot profile; Mockins MA-HB-25BLU-59 is 31 inches high.

This XL Mockins suits trips with bulky cargo that benefits from 30 cubic feet of weather-protective storage. The 36-inch height is the main boundary to plan around when packing and accommodating the hitch-mounted bag.

Listed on Amazon as: Mockins XL 30 CuFt All-Weather Trailer Hitch Cargo Carrier Bag 60"x24"x36"

#2 · Tallest Capacity

2. AlltoAuto 30 CuFt Hitch Bag

• Dimensions: 60"L x 24"W x 36"H
• Material: Polyvinyl Chloride (PVC)
• Weight: 10 lb

Best for: Extra-Large Hitch Trip Hauler.

Why it ranks #2: This waterproof 600D PVC hitch bag offers 30 cubic feet in a 60-by-24-by-36-inch size, with three buckle straps and a combination lock.

The AlltoAuto bag’s 30-cubic-foot capacity and 36-inch height give road-trippers space for bulky camping gear, tools, and sports equipment while freeing room inside the vehicle. Heavy-duty 600D PVC provides the listed protection from rain, dust, snow, and road grime during outdoor hauling.

At 60 by 24 by 36 inches, this soft-shell carrier adds substantial volume for long-distance trips, with room for the varied cargo named in its listing. Its 600D PVC construction is intended to help protect that load from weather and road grime. Three buckle straps are included for attachment, while the combination lock and storage bag support securing the cargo and packing the carrier away when not in use.

Skip it if you want a lower-profile 20-cubic-foot bag; CZC AUTO 102003 S measures 24 inches high.

Road-trippers hauling bulky equipment on a hitch carrier can take advantage of this bag’s 30 cubic feet and weather-oriented PVC construction. Its 36-inch height is a key fit consideration for both cargo and storage.

Listed on Amazon as: 30 CuFt Soft Shell Waterproof Cargo Carrier Bag for Hitch Carrier

#3 · Largest 25-Cu-Ft Pick

3. Mockins 25 Cu Ft Hitch Bag

• Dimensions: 60"L x 24"W x 31"H
• Material: Heavy Duty Vinyl
• Weight: 9.5 lb

Best for: Large Hitch-Bag Loadout.

Why it ranks #3: Its 25-cubic-foot heavy-duty vinyl design measures 60 by 24 by 31 inches and includes three buckle straps, a bag lock, and storage bag.

The Mockins bag’s 25-cubic-foot capacity gives travelers room for backpacks, tents, and sleeping bags while freeing space inside the vehicle. Its 60-by-24-by-31-inch dimensions pair substantial volume with a hitch-carrier format, and thick heavy-duty vinyl supports use across cars, trucks, vans, SUVs, and RVs.

The heavy-duty vinyl construction is paired with waterproof truck-bed storage claims, making this a flexible bag for hitch carriers or truck-bed cargo. Its 31-inch height and 60-inch length provide the listed 25 cubic feet for bulky trip gear. Three buckle straps are included for securing the load, and the included lock and storage bag add security and a place to stow the carrier when it is not in use.

Skip it if you need 30 cubic feet for a larger load; Mockins MA-HB-30YEL-86 offers that capacity.

Choose this Mockins for mixed vehicle use and a generous 25-cubic-foot load of camping or travel gear. The included straps and lock support hauling, while buyers needing still more volume should consider a listed 30-cubic-foot bag.

Listed on Amazon as: Mockins 25 Cu Ft Heavy Duty Waterproof Cargo Bag for Hitch Carrier & Truck

#4 · Six-Strap Security

4. Wildroad 18.2 Cu Ft Cargo Bag

• Material: Polyvinyl Chloride (PVC)
• Weight: 3.58 kg

Best for: Six-Strap Waterproof Hitch Bag.

Why it ranks #4: The 500D PVC bag is described as fully waterproof and includes six straps; its 18.2-cubic-foot capacity suits buyers prioritizing attachment points.

A waterproof zipper, protective flap, and welded-seam body distinguish the WILDROAD bag, helping shield luggage from rain, snow, wind, sunlight, and sand. Its 18.2-cubic-foot capacity and 58.5-by-22-by-25-inch dimensions suit travelers who prioritize weather protection and multiple attachment straps.

The 500D PVC material is described as completely waterproof, with waterproof stitches and a welded body supporting protection at the seams. A protective flap covers the waterproof zipper, adding another barrier for packed belongings. Six included straps attach the carrier, and the reinforced fastening is intended to help resist tearing when the bag is heavily packed. The 18.2-cubic-foot capacity offers less room than larger listed options, so load size remains a practical constraint.

Skip it if you need 30 cubic feet for bulky equipment; Mockins MA-HB-30YEL-86 provides that capacity.

Choose the WILDROAD when waterproof closure details and six attachment straps matter more than maximum volume. Its 18.2 cubic feet suit a moderate hitch-carrier load, while larger trips may call for a higher-capacity bag.

Listed on Amazon as: WILDROAD 58.5"x22"x25" Waterproof Cargo Bag, 18.2 cu ft, with 6 Straps

#5

5. CZC AUTO 20 Cu Ft Hitch Bag

• Dimensions: 60"L x 24"W x 24"H
• Material: Polyvinyl Chloride (PVC)

Best for: Weather-Sealed Hitch Basket.

Why it ranks #5: PVC tarpaulin, welded seams, and a Velcro flap are specified for weather protection, with 20 cubic feet of storage for hitch-basket travel.

Welded seams and a Velcro flap give the CZC AUTO bag a weather-focused closure, helping shield cargo from rain, snow, wind, sun, dust, and road grime. Its 20-cubic-foot rectangular shape measures 60 by 24 by 24 inches for hitch trays and baskets.

The 500x500D PVC tarpaulin is specified at 525gsm, and the welded-seam construction works with the Velcro flap to protect luggage from the listed elements. With 20 cubic feet across a 60-by-24-inch footprint, it provides space for a family trip without changing to a hard carrier. The folded size of 13 by 5.1 by 13 inches makes storage more manageable between trips; keep the bag away from the exhaust pipe and fire.

Skip it if you need 30 cubic feet for taller or bulkier cargo; AlltoAuto Hitch Cargo Carrier Bag 30CF has that capacity.

This CZC AUTO bag suits travelers who want a weather-protective soft carrier for a hitch tray or basket and value compact folded storage. Its 24-inch height and fire-clearance warning matter when planning the load and installation.

Listed on Amazon as: CZC AUTO Hitch Cargo Carrier Bag, 20 cu. ft Waterproof, Soft, Black

#6

6. FIVKLEMNZ 20 Cu Ft Hitch Bag

• Dimensions: 59"L x 24"W x 24"H
• Material: Polyvinyl Chloride (PVC)
• Weight: 3.31 kg

Best for: Compact-Storage Hitch Security.

Why it ranks #6: This 20-cubic-foot PVC hitch bag includes six reinforced adjustable straps and a combination luggage lock; it folds to a compact stated size.

Six reinforced adjustable straps and an included combination lock make security the FIVKLEMNZ bag’s clearest practical distinction for hitch-carrier travel. Its 20-cubic-foot capacity holds a listed six to eight suitcases, while the 59-by-24-by-24-inch soft bag folds to a compact size for storage.

The six strategically placed straps attach the bag to the hitch and help keep it firmly mounted, while the luggage lock adds a deterrent against theft. At 20 cubic feet, it can carry suitcases, tents, and sleeping bags, freeing cabin space. Its folded 13-by-5-by-11-inch size is useful between trips, and the soft construction is described as lighter and more compact than traditional hard-shell carriers.

Skip it if you require listed waterproof zipper and welded-seam details; WILDROAD WR-CCB-GREY specifies both.

Choose FIVKLEMNZ for hitch trips where six attachment straps, a luggage lock, and compact folded storage are priorities. It offers useful 20-cubic-foot capacity, but its supplied details do not establish a waterproof rating.

Listed on Amazon as: FIVKLEMNZ 20 Cubic Hitch Mount Cargo Carrier Bag Waterproof Soft Car Tray

#7

7. MeeFar 19.7 Cu Ft Hitch Bag

• Dimensions: 59"L x 24"W x 24"H
• Material: Polyvinyl Chloride (PVC),Oxford Fabric,Tarpaulin
• Weight: 3.66 kg

Best for: Family Hitch-Basket Hauler.

Why it ranks #7: Its 19.7-cubic-foot capacity and 600D PVC tarpaulin construction are specified for steel cargo baskets, with a design described as 100% waterproof.

The 19.7-cubic-foot capacity is the MeeFar bag’s defining advantage, giving families room for the listed six to eight suitcases while keeping luggage outside the cabin. Its 59-by-24-by-24-inch shape fits steel cargo baskets, making it a hitch-rack option for camping, tailgating, and sports equipment.

The 600D PVC tarpaulin is described as 100% waterproof, helping keep packed gear clean and dry during travel. At 59 inches long and 24 inches wide, the bag uses a broad basket footprint, while its 24-inch height provides space for stacked luggage. The stated fit is for cars, trucks, or SUVs with a steel cargo basket; coated tarpaulin and fabric-guarded construction, plus attachment to the hitch rack, help keep the bag firmly mounted.

Skip it if you need a listed 30-cubic-foot capacity; Mockins MA-HB-30YEL-86 provides that larger volume.

Families carrying suitcases, camping supplies, or sports equipment on a vehicle with a steel cargo basket can use the MeeFar’s roomy, waterproof storage. Its stated fit depends on that basket, so it is not the option for basket-free hauling.

Listed on Amazon as: Hitch Mount Cargo Carrier Bag 100% Waterproof 19.7 Cubic Feet Luggage Rack

#8

8. Asinking 21 Cu Ft Roof Bag

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

Best for: Rack-Free Rooftop Cargo Hauler.

Why it ranks #8: The 21-cubic-foot rooftop bag uses 840D PVC and triple-reinforced welded seams, but its roof-mount use is less suited to a hitch-carrier search.

The Asinking bag is listed for vehicles with or without racks, making its rooftop setup useful for buyers who do not have a roof rack. Its 21-cubic-foot capacity uses 840D abrasion-resistant PVC, triple-reinforced welded seams, and a waterproof zipper with widened hook-and-loop flaps.

The 52-by-40-by-18-inch shape provides 21 cubic feet of rooftop storage, while 840D PVC is specified as abrasion-resistant for rough handling and harsh weather. Triple-reinforced welded seams are intended to resist tearing and prevent rain leaking through the seams. A waterproof zipper sits beneath six-inch-wide Velcro flaps, adding another layer of protection. The listing also includes an anti-slip mat, six door hooks, two extra straps, storage bags, and a luggage lock.

Skip it if you need a hitch carrier instead of rooftop storage; CURT 18221 is listed for a roof rack and basket, not a hitch.

This Asinking rooftop bag suits travelers without a roof rack who need weather-oriented 21-cubic-foot storage and the supplied door hooks. Its broad footprint makes roof space a key consideration before choosing this format.

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

#9

9. CURT 18221 Rooftop Bag

• Dimensions: 12.5"L x 12.25"W x 5.63"H
• Material: Polyvinyl Chloride (PVC)
• Weight: 7.7 lb

Best for: Fold-Away 21-Cubic-Foot Carrier.

Why it ranks #9: This 21-cubic-foot waterproof bag includes six tie-down straps and folds for storage, but it is described as a rooftop carrier rather than a hitch bag.

The CURT bag folds for compact storage, giving roof-rack users a way to add 21 cubic feet of cargo space without keeping a full-size carrier assembled between trips. Its zip closure has a hook-and-loop flap, and six tie-down straps are included for securing the load.

The waterproof PVC bag pairs its zip closure with a hook-and-loop flap to help protect cargo from water, dirt, road grime, and wind damage. Six included tie-down straps support securing it to a carrier, while the foldable design makes storage easier when the bag is not in use. The listing identifies it as a rooftop carrier and notes compatibility with a variety of roof-rack baskets; it can add vehicle storage while retaining use of front and rear mount hitches.

Skip it if you need a hitch-mounted bag; MeeFar HITCH (20 Cubic Feet) is specified for a steel cargo basket.

The CURT suits roof-rack users who want fold-away 21-cubic-foot storage and included tie-downs. Keep its rooftop format in mind: this is not the choice for buyers specifically seeking a hitch-mounted cargo bag.

Listed on Amazon as: Curt 18221 Waterproof Rooftop Carrier Cargo Bag

#10

10. MAXXHAUL 70209 Hitch Bag

• Dimensions: 47"L x 20"W x 20"H
• Material: Polyester, Polyvinyl Chloride (PVC)
• Weight: 2.7 kg

Best for: Light-Duty Weather-Resistant Hauler.

Why it ranks #10: Although it is a hitch-mounted 11-cubic-foot option with welded seams and covered zipper, the verified description says water-resistant, not waterproof.

A three-sided zipper opening makes the MAXXHAUL bag easier to load and unload across its 47-inch length, while PVC with polyester reinforcement and UV coating suits light-duty cargo on a hitch rack. Its 11-cubic-foot capacity serves soft goods, but the bag is water-resistant, not waterproof.

Welded seams and a heavy-duty zipper support routine loading, and hook-and-loop flaps cover the zipper to add water resistance. Six one-inch polypropylene straps secure the bag to a hitch-mounted carrier, while zipper openings accommodate padlocks. The compact 47-by-20-by-20-inch size is appropriate for light-duty cargo and soft goods; because the product is explicitly not waterproof, moisture-sensitive items need another form of protection.

Skip it if you need explicitly waterproof construction; WILDROAD WR-CCB-GREY uses 500D PVC with a waterproof zipper and welded seams.

Pick the MAXXHAUL for light soft goods and convenient three-sided access on a hitch carrier. Its strap and zipper details aid handling, but the water-resistant—not waterproof—construction sets a clear limit for wet-weather cargo.

Listed on Amazon as: MaxxHaul Soft Shell Cargo Carrier Bag for Hitch Mount Cargo Rack, Heavy Duty Water Resistant, 47 x 20 x 20 Inch, Black with Tie Down Straps (70209)