Adhesive Vinyl: This is a plastic PVC sticker which is very durable and so unlike paper stickers these can withstand outdoor conditions and can be wiped for cleaning giving them a very long life. This vinyl comes in a variety of different types, Permanent or Removable, Black Back for no "Show Through" of light or what's underneath, Crack Back for an easy peal reverse and a special Livery sticker for the side of vehicles.