Quality Material The car suction cup is made of nylon, PC, ABS, PVC, and metal hooks. Features a high-strength D-shaped buckle that is sturdy, durable, wear-resistant, and offers strong load capacity. The professional PVC suction cup uses advanced materials for ultra-strong suction, resistance to aging and corrosion, and can be reused. Ideal for use when drilling is not desired or possible. 4 Suction Cup Anchors with 8 S-Hooks This suction cup set is designed for heavy-duty use. Each suction hook supports a maximum load of 22 kg (48 lb). Can be used as a car luggage strap tensioner, ideal for outdoor trips, camping, and truck transport. Package includes: 4 D-shaped suction cups and 8 S-shaped hooks. Easy Installation The suction cup installs quickly and easily without screws. Pull the lever to activate the suction cup, place it on a clean, flat, and dry surface, then press the lever to secure. Will not damage your vehicle. Suitable for Smooth Surfaces For best results, ensure both the vehicle surface and suction cup are clean and dry before use. These suction cups are designed for use on glass, car bodies, mirrors, tiles, and other smooth, non-porous surfaces. Not suitable for uneven or textured surfaces such as patterned tiles. Multiple Uses Ideal for securing luggage, awnings, tents, tarps, sun sails, and more. These car suction anchors are perfect for moving, delivery, camping, boating, surfboard transport, and various outdoor applications.