Powerful suction cup: The suction cup can be attached to the most non-porous smooth surface, it is made of strong materials, with high strength, long durability and light weight; each suction cup can bear the weight of about 10kg. Reliable quality: The strong tie-down suction cups are made of quality PP and TPU materials, wear-resistant and not easy to break, with strong adhesion and better anti-slip effect; it does not contain glue residue, a strong sticky gel base is added to the suction cup to provide a better hold; and will hold for a long time in cold or hot environment until you take it off. Wide range of usesThe suction cup is suitable for smooth and flat surface such as car, home , desk, etc., without causing damage to the surface. However, any plastic suction cup will not stick if there is texture on the surface. If air can get in, the suction won't hold because it relies on creating a vacuum. Quick and easy installation: just push the suction cup onto a smooth surface and turn the handle to secure the lock. Won't scratch the car or any other smooth flat. How to remove: To quickly remove the suction cup, please grasp the protruding handle at the bottom of the product and pull. Please do not pull the suction cup directly. Pull it by hand. Also, it may take some effort to remove the suction cup when first using, but don't worry, the sticky part at the bottom won't damage the surface you stick on. Size: about 8*17cm Color: Black Quantity: 4 pieces