?【840D REINFORCED FABRIC PVC】?：The Rooftop Cargo Carrier Bag are crafted with triple-layer high density 840D PVC fabric and reinforced stitching to to eliminate rips, tears, and wear under rugged conditions. This material is more durable than 600D PVC fabric . Use professional seamless technology. Our Cargo Carrier Bag Has The Capability Of High density Water And Tear Resistant .

?【HEAVY DUTY 100% WATERPROOF ZIP】?：NOT like other normal zipper with NO WATER RESISTANT . we’ve upgraded it to a heavy-duty waterproof zipper which are polyurethane-coated for added water resistance and fitted it with a widened 5 zipper cover that making sure to protect your items and valuables against rain, grit, snow, wind and sun.

?【21 CUBIC FEET OVERSIZED】?：21 cubic feet (L52 x W39.5 x H17.5) rooftop cargo bag allows you to hold all luggage of a family of 5-6 , 4 travel luggage case,2 tents, 4 sleeping bags and more. Free up inside vehicle space for more comfortable on the way. This rooftop cargo bag is the perfect family assistant you’ve ever seen.

?【ULTRA-DURABLE SEAM WELDING TECHNOLOGY】?: We notice that the straps from other Cheap Car Carriers Rooftop Bags fall apart & tear from the seam . SO WE BUILT IN ultra-durable dual-seam welding technology to eliminate rips, tears, and wear under rugged conditions. you can driving safe even in high speed road not fearing it will tear off in a heavy wind.

?【UPGRADED DESIGN】?: Military quality components include 4 high strength safety hooks, Anti-Slip Mat, and 8 velcro straps keep everything you store in our car top luggage carrier safe. To some extent, the anti-slip mat not only keep the cargo bag stay in place , aslo can protect your car roof from scratches and damage. Perfect car top carriers for vehicles with racks & car top carriers for vehicles without racks.