Description Damage Free:No drilling,No screws,No holes,No glue is needed.Supper Suction and Long Lasting: Made of high quality ABS plastic and German BASF TUP rubber for suction pad that can hold up to Max load of 13 Pounds and stay suctioned for years.Easy Installation and Removable: Just a push or pull on the lever handle for lock or loose and it is designed to be removable and reusable for your replacement.Use Tips and Attention:This item is a pack of two hooks that works only on non-porous,smooth surfaces such as polished ceramic tile,mirror, glass window,polished stainless still wall and plastic board etc, wont work on any porous,bumpy,rough or textured surfaces such as rough coating surface,unpolished marble or wooden door,rugged porcelain surface etc.