You Do You Vinyl Decal Sticker My custom stickers have richly colored inks on premium, durable, velvety matte finish vinyl. They are waterproof & dishwasher safe, are UV protected, scratch resistant and can be used both indoors & outdoors. Each sticker measures 3" on its longest side. Add them into or use instead of greeting cards for a fun surprise or use these stickers on: Laptops, car windows + bumpers, water bottles, binders, lockers, musical instruments and their cases, mirrors, windows and more! Any hard surface will do!