Feature: 1. The product is printed on transparent stickers and coated with durable adhesive material that will not damage the keyboard 2. Stickers with enough music note are suitable for any type of piano keyboard and white keys 3. Each sticker has a number and a note to help you install them in a few minutes 4. A perfect gift for children to speed up the leaning process, which make learning easy and fun 5. Piano stickers help children and beginners to learn, practice and master the keyboard Specification: Item Type: Piano stickers Material: PVC Color: Black + white Size: Approx. 227 x 246mm / 8.9 x 9.7in. Package List: 1 x Piano Stickers Note: 1. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.2. Please allow 1cm error due to manual measurement. Thanks for your understanding.