Personalize Your Room! This vinyl is high quality ORACAL 631 Exhibition Cal self-adhesive, matte vinyl and will not leave any residue when removed, can be applied to any flat, non-porous interior surface. Decals are computer die-cut out of one color and after placing on wall or surface will look like it was painted on. Place the decal on your wall and give your house a different look & feel in no time. Other places that you may consider applying the decals to: doors, closets, mirrors, tiles, windows, plastic, metal, or smooth floors. If you are applying the vinyl decal to a bumpy wall or surface it may not stick well, please view your wall condition. Decal application instructions are included.