Crazydeal DIY Circles Removable Vinyl Wall Sticker Living Room Useful partical Bedroom Decoration Decals Used for home decoration. TV/Sofa background. Clean the surface of which you are going to apply the sticker to thoroughly. Make sure the surface is completely smooth otherwise it may fall off easily. Peel the sticker off from the sheet slowly. Stick the sticker where desired. Wipe down the sticker gently in a wiping motion to eliminate air bubbles.