NO Glue, Easy installation: This piano sticker rakes can be easily installed without the need for glue, making it convenient and hassle-free to use. Without leaving any residue, keeping your piano keyboard clean and tidy. Full 88 Keys: The piano key stickers comes with 88 full keys that can cover a keyboard or piano with 88 keys, allowing you to use it on a wide range of instruments. Perfect for grand pianos, upright pianos, 88-key digital pianos and keyboards. Easy Memorization: The piano keyboard stickers are coded with bright colors to help kids and beginners quickly and easily identify and memorize notes. When you start to learn the piano keys and become familiar with the octave rule, you can remove the piano note strips from the keyboard. Of course, if you feel that you are not skilled enough, you can put it back at any time. Suitable for Beginners: The piano stickers are perfect for beginners and kids to learn and memorize music theory, musical notation, and key positions. They cover four octaves, providing ample material for anyone to start learning the piano. Warm Trips: Please confirm the size of your keyboard before purchasing, especially the width of the gap between the top of the black keys and the keyboard shell,which must be wider than 0.4 cm (0.16 inches) Excellent Tool for Piano Learning For piano beginners, it is quite challenging to be familiar with all the keys on the piano in a short time, which makes it impossible to start playing and practicing quickly. This is also the reason why many people buy piano stickers, but there are many problems with sticking stickers on the keys. Not to mention that the stickers affect the feel of the keys, affect the aesthetics of the piano, and how troublesome it is to post them one by one. The biggest problem with using piano stickers is that once they are put on, they are not easy to take off, and once taken off, there is no way to put them back on, because stickers are usually disposable. As you know, piano learning is a process, marking notes and staves on the keys can help us quickly find the keys. But we also need to deliberately train to find the right keys without the help of labels, and reuse the labels when you can't remember. This is the correct and efficient way to memorize keys, and it is the method that piano teachers recommend. The Note Strip adopts a new design, all labels are connected in series, no need to paste, and can be removed and reused at any time. It is placed on the top of the keys, which does not affect the playing, and also makes the keyboard clean and tidy.