Not your ordinary window decal. This is a domed decal, consisting of polyester base layer, 4 color process decal and covered with a raised "dome" layer of urethane, which is guaranteed against cracking, yellowing, or fading and gives the decal a deminsional appearance. Heavy 4 mil adhesive. Designed for extreme weather conditions. 4" round decal. Your car will wear out before this decal does!