Skull and Cross Decals add a very artistic modern look that has an attitude to it!. Skull and Cross Decals are a class of their own. No other way to show your love for the Skull and Cross Decal then to have one! Skull and Cross Decal for use outdoors on cars, windows, or other surfaces. Vinyl used for decals is high quality outdoor rated vinyl. All vinyl decals are made in the USA.