This rooftop cargo carrier is made of premium 840D PVC fabric with a waterproof zipper and double-layer cover design, which makes it have better water resistance and wear resistance than most similar products using 500D PVC fabric and ordinary zippers. It can protect your cargo well from the rain, sun and snow. Can fit any car with or without a rack or side rails. If your car is of the latter type, you need to use a door hook when installing it (6 door hooks are included in the package). New. Open Box.