Just peel off film of adhesive pad and on the smooth wall , press hard a few seconds.You can on the desired position.You can mount this in any orientation you choose. Horizontal or vertical. Must be smooth such as wooden ,ceramic tiles, marble stone, metal, glass etc. Make sure to clean the wall surfaces before installation. (Not suitable for limestone wall, wall paper or painted wall or uneven surfaces.) The toilet paper holder is made of stainless steel, with a rustproof ; Easy to care - Wipe clean with a damp cloth. Without edges, children can use it safely. Rest it for 24 hours to better adhesive before hanging things on it. Suitable for bathroom, bedroom , toilet, bathroom, kitchen and RV.