Custom Printed Car Decals are made from white or yellow vinyl decals, and polyester decals. They either have front or back-adhesive. Sizes and shapes vary depending on your choice, which can be produced with the use of a vinyl cutter. <br /> <br />http://www.visigraph.com/custom-decals-stickers-magnets-and-labels/custom-vinyl-transparent-decals-stickers/
