These are printed on Vinyl that is MATTE Laminated. These are printed with high-quality materials that are made to last. Stickers are waterproof (they can survive the dishwasher), weatherproof, and have an outdoor life span of 4-5 years. Roughly 3x3. Not all stickers are the same size, due to shape and everything around them. They are made to be durable and have been laminated to endure hard weather. Good for laptops, iPads, hydro flasks, and much more!