Vinyl Decals are cut from a solid sheet of colored sign vinyl. There is not a background. The cut out areas of the decals will show the color of whatever you apply them to. You are not limited to one color, we can overlay several colors to give you a multi-color design. Vinyl Decals can be applied to many surfaces such as cars, boats, trucks, laptop's windows, musical instruments, flat smooth wood areas, metal, etc. this is just a few things that you can apply Vinyl Graphics to, there are many more places to apply them.