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 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, won't work on any porous,bumpy,rough or textured surfaces such as rough coating surface,unpolished marble or wooden door,rugged porcelain surface etc.Color: silvermaterial: plasticPackage Contents:4 * hooksOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.