After you get the stickers, you can stick them on almost any smooth and relatively flat surface of the wall or window. Mouse Christmas Tree Hole Wall Art Vinyl Decal Wall Sticker Party Decoration Color: Black It can be applied to almost any smooth surface: including smooth wallpaper, paint, glass, windows, metal, plastic, wood, tiles, mirrors, laptops, cars, boats, trucks and other vehicles. No glue or chemicals are needed to stick the sticker. Just peel and stick. Very quick and easy to apply. Our sticker has no background so it looks like a mural. The color behind the sticker will be the color of the substrate (wall, surface color). All the stickers can use paper stickers with application tape, so it is easy to apply. Package includes: 1 * wall sticker (cat) We only sell wall stickers, the rest are props 1. Manual measurement, there will be some errors in the size, please refer to the actual size 2. Due to the light and screen difference, the product’s color may be slightly