This is a very creative and practical thumb piano sticker that it easier for you to remember the keys on the piano keyboard because you can remember it by watching the sticker. In addition, it can also help you play thumb piano music, which will bring you a sense of satisfaction, fill you with positive energy and motivation, have a good encouragement effect, and help you learn happily. Features -Color:Multi -Material: Paper -Size: About 13.50X2.20X0.10cm/5.31X0.86X0.04inch -Easy to paste and remove, with . -When you don't need it in the future, you can delete it without leaving any residue. -For piano beginners, this is a good tool. -Choose safe and gentle paper materials that can provide you with a good touch. -This is the best present for beginners of thumb pianos and can help you find the correct keys quickly. Package list: 5 sets x keyboard sticker