They may be difficult to learn piano or electronic organ for beginners including adults and children. But now, with our piano keyboard stickers, you will feel much easier to remember the keyboard and learn piano well. Removable stickers that leaves behind on. Features - Material: Glue. - Size: 24.50X24.00X0.01cm/9.63X9.43X0.00in. - They are helpful for beginners to the basic principles of piano: recognition, score recognition and notation. - The font are large and clear, and you can clearly see the letters on the sticker. - Easy to paste, easy to tear, no glue left after tearing off, and will not cause damage to your piano. - Suitable for pianos, electronic organs, and hand-rolling pianos. Great for beginners to memorize the keys. - They are made of material, safe and durable, and can be used for a long time. Package list: 1 x Piano Sticker 1 x Wooden Stick