◆Easy to InstallThe sticker is so easy to apply! Just need to Tear off the wall sticker and stick to the wall. The kid’s also can do that.◆Premium MaterialTop quality vinyl art design wall stickers for kids, eco-friendly waterproof non-fading, Non-toxic and very safe for children.Instructions for use: 1. Wipe the wall or other surfaces that you want first, ensure the surface is clean, smooth and dry.2. Mark the position you want to stick on the wall.3. Paste appropriate number of double-sided dot stickers on the back of the mirror tiles and stick them on the wall or other surfaces.4. Please press firmly for 10 seconds for better adhesion.Note:Please do not use it on a non-smooth surface, it will fall off easily, the playroom decor only can be applied to any smooth and clean surface, such as walls, glass, window, closet, metal, wooden, plastic, etc. It’s a great wall decor for kids room, teen girls room, teen boys room, classroom and so on. Thank you very much