Genexice Stainless Steel Suction Towel Ring, White Finish Easy installation without glue or tools Simply push the suction cup against the tile and rotate the body (hub) to lock in place Dehub Airlock works on tiles, mirrors, acrylic and most smooth, non-porous surfaces Wire is made of high quality, rust-proof stainless steel held by a high quality and rigid plastic suction cup Ring Diameter: 6"