These stickers are printed on durable, high opacity adhesive vinyl which makes them perfect for regular use, as well as for covering other stickers or paint. The high-quality vinyl ensures there are no bubbles when applying the stickers. • High opacity film that’s impossible to see through • Fast and easy bubble-free application • Durable vinyl, perfect for indoor use • 95µ density Don't forget to clean the surface before applying the sticker.Size guide   HEIGHT (inches) WIDTH (inches) 3″×3″ 3 3 4″×4″ 4 4 5.5″×5.5″ 5 ½ 5 ½   HEIGHT (cm) WIDTH (cm) 3″×3″ 7.5 7.5 4″×4″ 10 10 5.5″×5.5″ 14 14