The REESE Waterproof Rooftop Cargo Carrier Bag is made from heavy-duty 840D abrasion-resistant PVC fabric with triple welded steams, offer weather protection from extreme conditions such as wind, sun, rain, snow, and sand. The soft material allows you to carry odd-shaped objects that might not fit under hardcover carriers and is great for camping or traveling accessories. Our car top carrier also features a leakproof zipper with a 4.7" extra-wide double closure flaps. The hook and loop fasteners on the rain flaps prevent rain from entering through the zipper. All seams are heat-welded and solid-stitched, keeping your gear dry, secure, and protected even through the heaviest of rainstorms. Packed with 8 reinforced straps, 4 durable door hooks, and an anti-slip mat to help keep the cargo bag in place and minimize load shifting at high speeds, as well as protect your car roof from scratches and damage. The aerodynamic curve of the carrier prevents head on resistance making for smoother and easier travel. Our cargo bag is compatible with all types of cars, SUVs, and trucks, with or without roof racks. The package includes 1 roof top carrier bag, 1 storage bag, 1 anti-slip mat, 4 door hooks, and luggage lock for added security.