Silicone material: Our piano keyboard stickers are made of soft silicone that does not wrinkle or crack and can be reused. The music keyboard stickers feature clear, easy-to-read fonts that do not fade. They fit securely on the keyboard and maintain their shape, even when folded or rolled. Easy to read: Each note on the piano sticker is color-coded for better visibility, helping children and beginners identify keys quickly. The stickers display notes using a dual notation system, making it easier to locate corresponding keys on the keyboard. Once familiar with the keyboard, users can easily remove the stickers. No installation or adhesive required: These piano key stickers rest on the keys without the need for glue or adhesives, leaving no residue. There is no need to know key names or the position of middle C—simply place the stickers on the piano keyboard. Great learning tool: These piano note stickers serve as an effective learning aid for children and beginners learning music theory, note recognition, and key placement. The set is ideal for 61-key keyboards and makes a thoughtful gift for aspiring musicians. The stickers come in a durable plastic case for convenient storage and transport. What you get: 2 sections of piano key stickers with a total length of approximately 0.85 m (33 inches), compatible with standard 61-key piano keyboards. Suitable for digital pianos, upright pianos, and stage pianos.