Rooftop Cargo Carrier 21 Cubic Feet Soft-Shell Waterproof - Large

In this review the Rooftop Cargo Carrier is evaluated as a practical solution for families and frequent travelers who need extra gear without sacrificing interior space. The single biggest reason to consider it is the 21 cubic feet capacity that fits the luggage of a family of 5-6, while the 900D PVC construction and heat-welded seams aim to keep contents protected from the elements. Installation and everyday use are straightforward, and the included accessories make it ready for most vehicle roofs.

Key Features

• Large capacity: At 21 cubic feet (51L in x 41W in x 17H in) it can carry multiple suitcases or duffel bags and frees up interior space for passengers.
• Durable material: Constructed from 900D PVC fabric for a sturdy shell that tolerates loading and road vibration.
• Waterproof protection: Heat-welded seams and a waterproof zipper with a 6 in extra wide velcro flap help keep contents dry in rain or snow.
• Secure mounting: Three reinforced adjustable straps plus six door hooks and an anti-slip mat help hold the bag steady on cross bars, rails, or bare roofs.
• Added security features: A bonus combination lock and reinforced strap seams reduce zipper tampering and seam failure risk during long trips.
• Visibility at night: Reflective strips on the outer zipper extension improve visibility for night travel.

Who It's For

The carrier is best for families, road-trippers, and anyone moving with several large bags who needs a simple, high-capacity rooftop solution compatible with SUVs, trucks, and sedans, including vehicles without factory rails. Its size and accessories suit multi-day trips and cross-country moves where interior space is at a premium.

Those who should look elsewhere include travelers who need a rigid roof box for very heavy, oddly shaped gear or who want a lifetime-guaranteed long-term waterproofing solution; some customers report mixed long-term durability and waterproofing experiences, so heavy daily commercial use may call for a hard shell carrier.

Pros & Cons

Pros

• Spacious 21 cubic feet capacity handles luggage for 5-6 people without crowding the cabin.
• 900D PVC and heat-welded seams provide solid weather resistance for general travel use.
• Comes with straps, door hooks, anti-slip mat and a combination lock to simplify installation and security.
• Reflective details and reinforced straps add practical safety and durability.

Cons

• Durability and waterproofing receive mixed customer feedback, so extreme or continuous heavy use may expose weaknesses over time.
• Soft-shell design cannot match the rigid protection of a hard cargo box for fragile or very heavy items.

Specifications

Brand	MCBD
Capacity	21 cubic feet (51 in x 41 in x 17 in)
Material	900D PVC fabric with heat-welded seams
Mounting hardware	3 reinforced straps, 6 door hooks, anti-slip mat
Security	Included combination luggage lock
Weather protection	Waterproof zipper with 6 in velcro flap
Package contents	Carrier, anti-slip mat, 6 door hooks, lock, storage bag

Our Verdict

For families and occasional travelers who need a cost-effective way to add significant luggage space, this rooftop bag offers strong value: large 21 cubic feet capacity, robust 900D PVC construction, and a useful bundle of straps, hooks, mat, and a lock. It is a sensible, affordable choice for road trips and moves, while buyers expecting heavy daily commercial use or absolute rigid protection should consider a hard-shell alternative.

Frequently Asked Questions

Will this fit cars without roof rails?
Yes. The package includes three reinforced straps, six door hooks and an anti-slip mat so it fits vehicles with or without rails and cross bars.

Is the bag fully waterproof?
The carrier uses heat-welded seams and a waterproof zipper with an extra velcro flap to resist rain and snow, though some users report mixed long-term waterproofing results.

What is included in the package?
The box contains the rooftop carrier, anti-slip mat, six door hooks, a luggage combination lock and a storage bag for the carrier.