No damage: no drilling, no screws, no holes, no glue.Super suction power, long-lasting durability: The suction cup is made of high-quality plastic and rubber, and maintain suction for many years.Easy to install and remove: Just push or pull the lever handle to lock or release, it is designed to be detachable and reusable for replacement.Tips and precautions for use: It is only suitable for non-porous and smooth surfaces, such as polished ceramic tiles, mirrors, glass windows, polished stainless steel static walls and plastic panels, etc. It is not suitable for any porous bumps , Rough or textured surfaces, such as rough coated surfaces, unpolished marble or wooden doors, rough porcelain surfaces, etc.Warm prompt:1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering.2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding3. Only the above package contents, excluding other products.