Upgrade Space Without Damage: Minimalist option for adhesive floating shelf to free up more space, great for places that you don't want to damage/drill holes in the wall. Shelf wall mounted by adhesive sticker, more detailed installation steps, you can refer to image, product description and the instruction come with product. Versatile Storage Shelf For Extra SpaceUtilizing the unusable space become completely function, work perfect for extra counter space in bathroom vanity and kitchen sink to keep tidy. If you need temporary ledge shelf this is it, like shower, dorm room and rented walls. Lightweight Shelf for Wall: Basic white shelf with small gray guard in the right side, made of environment-friendly ABS plastic. Perfect for light weight items, don't hang items at a weight over 6KG/13.22lb. Wait for 12 Hours before hanging items to give the adhesive time to cure. Applicable Surface: ONLY install on smooth and even surface: cabinet door, mirrors, metal board, porcelain tile, glazed tile, ceramic tile etc. Please DON'T install on easy-peel-off surface such as Lime Wall, Plaster Wall , Stucco Wall, Painted Wall and Wallpapered Wall.