Celtic Decals & Stickers - Page 2 Custom Window Decals for your car, truck, boat, walls and most other smooth surfaces. Use our on-line Designer Tools to make a custom logo for your business, sports team, or band. You can even upload your own image or logo. Our decals are contour cut to the shape of the sign. No Minimums quantity to order. There is NO BACKGROUND, it will be just the letters/graphics and what you apply it to will be the background. So if applying to a back glass, side glass or windshield, lighter colors will show best as the glass from outside appears very dark. Decal will come with a Transfer tape laid over it. The transfer tape holds the decal together as one piece for easy installation. The Transfer tape allows you to use Squeegee (or credit card) to squeeze the decal down and work out bubbles without touching the decal. The Transfer tape peels off after applying the sticky side of the decal to the application surface.