No tools, no holes: It becomes easily to install the soap dish holders, simply position on a smooth surface, apply pressure and turn clockwise. Good quality: The soap dish is made of food grade 304 stainless steel and the suction cups are made of rubber and ABS plastic; it is waterproof and rustproof, and the mesh design drain the water quickly and keep the soap in a dry state, giving you a healthy environment. Easy to remove: You just loosen the cap, it will be uninstalling, no marks, Harmless on your wall, and you can install at other place again. Attention: Suction will not work on such places: wood, unfinished marble, granite, porcelain, wallpaper, natural stones, painted wall & any surface that is bumpy, etc. usually applied to the smooth surface.