firefly shiny cool serenity vinyl euro decal bumper sticker 3" x 5" sticker stand sticker stand patented outdoor grade vinyl allows for air bubbles trapped under the film during installation to simply be pressed out with a squeegee. our vinyl has an outdoor durability lifespan of over 7 years and is uv and waterproof. stickers are digitally printed then die cut around the image. easy application, will stick to all types of flat surfaces - bumpers, car windows, lockers, binders, metal, wood. directions: ensure that the surface that you are applying the sticker to is dry and clean. stick the adhesive backing to the desired surface.