Roomy Storage & Durable: This car top carrier has 16 cubic feet massive capacity, easily store your luggage and belongings, give the extra comfort space your family needs. Military grade Nylon Cordura fabric, complete protection against rain, snow, wind, and dust , perfect for your road trip or adventure vacation. 100% Waterproof: Impressive strong water tight zipper, and sizeable flap that covers the zippers, velcro to keep the flap down during travel, it kept your stuff dry as you drive through rain storms. It can be used on all vehicles with roof racks / crossbars / roof baskets. Safer travel:The upgraded 6 secure connection pads use advanced high-frequency seaming technology, never worry about tearing or leaking, night reflective strips, 10 widened straps(3.8cm wide) with heavy-duty buckles, Most importantly, it kept the roof bag tightly secured for the entire trip. 10 velcro strap restrainers to prevent strap flapping, reduce noise, additional anti-slippery mat(35.5x 47.3 in) increase friction and prevent scratches on the roof, reach your destination safely. Simple to Install: Smashier rooftop cargo carrier perfect matchs for all vehicles with Rack, easy-to-install straps, specially designed zipper head, convenient operation , this roof cargo carrier unzip on 3 sides and open up completely for easy packing. Just fold it up and put it away in garage easily either on your trip or when you get home (Carrying bag included), made your life much comfier on the way back. Why choose us：Our rooftop cargo carrier uses the waterproof zippers, 6 larger and stronger secure connection pads, 3.8cm wide straps and heavy-duty buckles. Other car roof bags use normal zippers, small and easy-to-tear connection pads, 2.5cm narrow straps and small buckles. In contrast, our car top carrier has more excellent water resistance, stability and durability.