Decals measure 5" Decals can be applied to any clean, smooth surface: windows, cars, boats or interior walls. This is a high quality sticker that can be applied to your car's window (as shown) or just about any smooth clean surface. The sticker is a single color (white), and does not have a background. It is made from high quality vinyl that will last for many years of exterior use without fading, peeling, or cracking. Application of the sticker is very easy, taking only minutes.