Super Mario Super Cool Vinyl Sticker Decal These decal stickers are made of high quality 3M Adhesive Vinyl & 4 mil. laminated clear for durability and longevity. for indoor / outdoor use.You get 1 individual StickerStick them anywhere you desirePressure activated adhesiveDimensions listed are rounded to the nearest inch. 3.5" X 5"Application Instructions 1. When you receive your order, your decal will consist of two layers. The bottom layer is the backing paper, and the top layer is the actual vinyl decal. 2. Clean the surface and make sure there is no dust or grease before application. 3. Peel of the decal from the backing paper. 4. Position and stick the application film on the target surface. Rub the surface of application film with a credit card or dried towel to make sure there's no air bubble caught inside the vinyl decal. 5. Peel off the application film slowly and carefully at a very low angle. Make sure the vinyl decal stick on the surface. If there is any difficulties removing the application film, please leave the film on the surface longer.