MATERIAL & NOTE: Made of premium Acrylic material with non-toxic and environmental protection. Please note that they come with transparent plastic protect films on surface, which needs to be peeled off after being pasted. There is adhesive on the back, just peel off before sticking. SIZE: 4pcs x 20cm. 1 sets=4Pcs. NOTICE: There will be a protective film on the surface, which is hazy like fog. After removing the protective film, it will be a mirror, but it is not exactly bright and clear like a mirror, reflections will be a little blurry. The mirror surface is not made of glass, so after tearing off the protective film, you only need to enjoy it quietly, don’t wipe it, touch it. EASY TO PASTE & REMOVABLE: The wall mirror stickers can be fixed easily by its back-adhesive. Feel free to stickand and peel without damaging the surface. It is impact resistant, moisture resistant, waterproof, oil resistant and strong sticky. It only takes a few minutes to add elegance to your decoration. WIDE APPLICATIONS: You can use in multiple places. Ideal to decorate bathroom, living room, Wedding Room, Office, TV backdrop, door, cabinet, children room, bedroom, sofa wall, Restaurant aisle or more. No harm to the environment and health. Perfect home decor and good gift Use TIPS: 1.Choose a smooth, clean and dry wall surface. 2. Position the adhesive we provided on a wall surface and paste the product on the wall. 3. Tear off the protective film on the surface of the product.It will be easier if you use a blade.