4 8 15 16 23 42! This sticker measures 3 inches x 2.5 inches. It's made of high quality water resistant vinyl.* This durable vinyl protects your stickers from scratching, rain, and sunlight. It's perfect for cars, water bottles, laptops, and more! Professionally printed by Vinyl Disorder. Free Shipping! *Do not submerge in water for long periods of time.