2 X OXO Good Grips Strong Hold Suction Soap Dish Safe, PVC-free suction cup provides a secure hold on smooth, non-porous surfaces to keep soap within reach Features angled drainage slots in base to prevent pooling and rust-resistant metal accents To activate, press suction cup button and listen for 'click' to know suction is activated, and pull release tab to quickly deactivate suction for re-positioning or removal Adheres securely to glass, finished marble, other smooth surfaces, or tiles larger than 1 inch across Will not adhere to unfinished marble, porous or rough surfaces, or across grout lines