HOME SHOW Power Lock Suction Stainless Steel Bathroom Shower Caddy Basket for Shampoo Conditioner Soap P01 1212 Suction works best on ceramic tile, glass, mirror, granite, stainless steel, acrylic, laminate and any non-porous surface with glossy finish Simply position on a smooth and clean surface, apply pressure and turn clockwise(ceramic tile, glass,stainless steel, acrylic, laminate,etc...) mirror, granite Innovative rotate and lock suction technology allows this product to install without glue or tools Made of High quality SUS304 stainless steel,Guarantee not rust.Inner Size:30*13.6*7.3cm KEEP IN MIND THIS SUCTION WILL NOT WORK ON POLISHED TILE,POLISHED TILE IS POROSITY