IF IT WEREN'T FOR PHYSICS AND LAW ENFORCEMENT..I'D BE UNSTOPPABLE! -window decal This decal can be removed without causing damage. This is NOT a "bumper sticker". It is a vinyl decal without a background which can be applied to any hard clean surface. It is made of the same high grade vinyl we use on commercial vehicles and will last for YEARS! Application is EASY and the results look professional Be sure to check out our other products!