I Know I Know License & Registration Decal Sticker Vinyl Funny cop let me guess High Quality Vinyl Media Used in Making These Window Decal Graphics Contour Cut Vinyl Sticker Vinyl Rated to 6 + Years, Weather Proof, Designed to Install Indoors or Outdoors This is a I Know I Know License & Registration Decal Sticker Vinyl Funny cop let me guess Clear Transfer Tape To Ease The Install Of Decal (Remember to Remove Clear Part After Install)