Waterproof and tearproof material The rooftop cargo bag uses a waterproof and tearproof construction with a thickened PVC middle layer for added strength and durability. It is designed to resist wear, tears, and UV exposure, helping keep your belongings protected on the road. Easy to use Includes 1 antislip mat, 1 luggage lock, 6 security hooks, 8 reinforcement strips, and 1 storage bag. Quick and simple to install in minutes. Made of soft shell material and folds into the storage bag when not in use to save space. Extra large storage space Capacity: 20 cubic feet. Size: 52 inches (L) x 40 inches (W) x 17 inches (H). Holds up to 6 suitcases, travel trunks, tents, sleeping bags, and more. A practical solution for expanding a vehicle's limited interior space. Universal compatibility A universal cargo bag that works with any sized car or SUV. Compatible with vehicles both with and without a roof rack. Antislip and security Includes 8 reinforced straps, 6 door hooks, an antislip mat, and a combination lock. Prevents sliding and adds security for your luggage. Protects the vehicle finish, reduces noise, and enhances driving safety on highways or rough terrain. Use scenarios Family road trips: Easily transport multiple suitcases and gear, keeping the car interior uncluttered and comfortable for passengers. Camping or outdoor trips: Carry tents, sleeping bags, and other outdoor gear without crowding the cabin. Weekend or longdistance travel: Add extra storage space for clothing, gear, and miscellaneous equipment while maintaining cargo security.