Mirror Wall Stickers - Butterfly This mirror decoration is easy to stick on. The stickers are not only meant for walls - they can also be applied to smooth surfaces such as doors, cabinets, mirrors, refrigerators, or any other smooth surface. Anyone can easily apply these wall stickers. Specification: Package size: 17cm x 19cm (14 pcs of various sizes) Size of the applied wallpaper: The design is up to you Material: Acrylic How to properly stick the sticker/wallpaper?: 1.Preparing the sticker: Lay the sticker on a flat surface, preferably when it is weighted down with books for at least 24 hours, or until it is thoroughly flattened so it does not curl up. If the sticker is not allowed to flatten sufficiently, it will peel off. 2.Preparing the surface: If you are sticking the sticker on a wall, make sure it is not dusty, cracked, greasy, or peeling. If you are sticking the sticker on a surface other than a wall, wipe it t