There is a protect film on the surface. Please tear it off after pasting mirror sticker on the wall. It looks very shiny! Fashion and creative, DIY style as your idea. It can be used in living room, kids bedroom, dining room, kitchen, office and so on. Material: High quality acrylic, harmless to the human body. Suitable for any smooth surface, it is very easy to apply and will not leave marks on the wall like other cheap stickers, no residue! Ideal for decorating a variety of occasions such as windows, walls, doors, tiles, kindergartens, bathrooms, bedrooms and offices.