11.5 x 3" indoor/outdoor Designed to get you noticed. Use indoors or outdoors with total peace of mind as each printable bumper sticker is made with thick vinyl material that has been laminated for top-tier durability against water, sunlight, and scratches. .: Material: premium water-resistant vinyl .: Waterproof sticky adhesive .: Suitable for indoor and outdoor use .: Easy peel backing .: Matte finish size: 11.5" x 3"