【HEAVY-DUTY & DURABLE】 Our cargo carrier bag makes with heavy-duty 700D abrasion-resistant PVC fabric and offers the perfect weather protection for even 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. Great for camping traveling. 【100% WATERPROOF】 With high-density 700D fabric, our car top carrier also features with truly leakproof zipper with a 4.7" extra wide double flap. All seams are heat welded and well-stitched to keep your gear dry even as you drive at highway speeds through the heaviest of rainstorms. 【UPGRADED DESIGNS 】Our rooftop cargo bag fits for all types of cars, suv, truck, with 8 reinforced straps, 4 durable door hooks, and an anti-slip mat to ensure car top bag in place even without a roof rack on cars. We also adopt revolutionized technics to increase buckle robustness and offer 2 extra 94.5" luggage sturdy straps to provide additional security. 【EXPANDABLE 15 TO 19 CUBIC FEET】 With the wide foldable flaps, you could expand our car roof top luggage carrier from 15 to 19 cubic feet to provide more storage space and easily hold 4-6 suitcases, travel luggage case, tents, sleeping bags and more. Dimension: 43"L x 34"W x 17"H (27"H when the flaps are unfold). 【RELIABLE GUARANTEE】You will receive 1x roof top carrier bag, 1x storage bag, 1x anti-slip mat, 4x door hooks, 2x luggage straps. 7x24 Qualified customer support, backed by 30 days money-back guarantee if you are not satisfied and a 10-YEAR warranty on quality issues. Try it. It's no risk!