NOT APPLICABLE SURFACES ：Painted wall, limestone wall, wall paper or uneven surfaces.;APPLICABLE SURFACES： Must be smooth surface such as wooden ,ceramic tiles, marble stone, metal, glass etc.;EASY TO INSTALL AND REMOVE: No need to drill, just remove the protective film on the back of the adhesive hook, and then press for a few minutes, you can hang things on it after 24 hours.;HIGH LOADING CAPACITY: Heavy duty hook with strong adhesion.; (Tip: Please do not hang fragile and valuables). Cloakroom Hanger