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, aging resistance, and corrosion resistance, allowing for repeated use. Ideal for users who prefer not to drill holes. 4 Suction Cup Anchors with 8 S-Hooks This suction cup set is designed for heavy-duty use. Each suction hook supports up to 22 kg (48 lb). Can be used as a car luggage strap tensioner, suitable for outdoor trips, camping, and truck transportation. 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 down the lever. Installation causes no damage to the vehicle. Suitable for Smooth Surfaces Ensure both the vehicle surface and suction cup are dry before use. These suction cups work on glass, car bodies, mirrors, tiles, and other smooth, flat surfaces. Not suitable for uneven or textured surfaces such as patterned tiles. Multiple Uses Ideal for securing luggage, awnings, tents, tarps, and sun sails. These car suction anchors are perfect for moving, delivery tasks, camping, boating, surfboard transport, and various outdoor applications.