Feature: 1. PREMIUM MATERIAL: The piano keyboard stickers are made of PVC self adhesive paper, which is very durable and can withstand the constant pounding of the piano keys and will not fade. The tabs can be removed when they are no longer needed. 2. PRACTICAL AND CONVENIENT: Piano stickers make learning notes easier and speeds up the memorization of piano keys, so you'll learn to play the piano faster and with more fun. 3. EASY TO READ: The piano letters are large enough, clear and easy to read to help beginners or kids learn piano and memorize note positions. 4. SUPERIOR PERFORMANCE: The piano key stickers are so thin that you can barely feel them when playing the piano. The surface of the stickers is slick, no resistance, feel comfortable when practicing slides, arpeggios and other techniques. 5. WIDELY USED: Piano keyboard stickers fit all 88 61 49 37 key pianos and keyboards. Ideal present for piano beginners and piano lovers. Specification: Item Type: Piano Keyboard Stickers Material: PVC Suitable for 37, 49, 61 and 88 Keys Pianos. Package List: 1 x Piano Keyboard Stickers