Vinyl Decals come in 3 pieces-1. Top layer is a transparent transfer tape. (Holds your decal or sticker together until it is applied)2. Middle layer is your actual decal or sticker (It is sandwiched between the Application Tape and the Wax Backing)3. Bottom layer is the wax backing. (protects the adhesive until the decal is ready to be applied) Long term outdoor use. Up to 5 years outdoor durability (vinyl's manufacturer specs) Water-proof, Sun-proof, harmless to car paint.No residue remains when is removed.