OXO Good Grips Suction Hook Suction hook for hanging a shower brush, towel, robe, or other personal item Use it at home or take it with when traveling for extra hanging space Suction cup attaches to tile, glass, or any other smooth non-porous surface Activates with the simple push of the button; pull on release tab to deactivate Measures 4-1/4 by 2-1/4 by 6-1/4 inches