Use indoors or outdoors with total peace of mind as each bumper sticker is made with thick vinyl material that has been laminated for top-tier durability against water, sunlight, and scratches. Order more than one sticker for the best deal. After the first bumper sticker, the shipping for each additional one is $0.07. .: Material: water-resistant vinyl .: Waterproof sticky adhesive .: Suitable for indoor and outdoor use .: Easy peel backing .: Matte finish