No damage: no drilling, no screws, no holes, no glue.$Super suction power, long-lasting durability: The suction cup is made of high-quality ABS plastic and rubber, which can withstand a load of up to 13 pounds and maintain suction for many years.$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.$Tips and precautions for use: This product is a pack of two hooks. It is only suitable for non-porous and smooth surfaces, such as polished ceramic tiles, mirrors, glass windows, polished stainless steel static walls and plastic panels, etc. It is not suitable for any porous bumps , Rough or textured surfaces, such as rough coated surfaces, unpolished marble or wooden doors, rough porcelain surfaces, etc.$If you have any questions, please contact us in time.