1. OUR HOOKS CAN BE USED ON SMOOTH TILE, METAL, GLASS, LAMINATES AND OTHER SMOOTH SOLID SURFACE, BUT DON’T USE OUR HOOKS ON TEXTURED WALLS OR SURFACES, WALLPAPER, BRICK, FABRIC, OTHER ROUGH OR NOT STICK SURFACE, PAINTED WALLS. Avoid using on uneven surface, the more smooth wall, the better results.