Features: The 56 music labels cover piano & keyboards with 49 keys, 61 keys and 88 keys. When the labels are no longer required, you can remove them. Placement guide is available. Great for beginners to learn basic principles about piano keys. A perfect aid for those who are interested in learning piano and keyboard. Specifications: Color: Transparent Material: Plastic Sticker size: 2.5 * 1.5cm / 1 * 0.6in Package size: 28 * 12 * 0.1cm / 11 * 4.7 * 0.04in Package weight: 15g / 0.6oz Package List: 1 * Keyboard Sticker 1 * Instruction (English & Chinese)