Description Adopted high-quality PP material, it is durable and long lasting use. These musical scale stickers are easy to install and remove without residue left. The reasonable design makes it fit most kinds of kalimba, thumb piano, very practical for using. Features -Color:Colorful. -Material:PP.-Size: About8.60X4.50X0.20cm/ 3.38X1.77X0.08in.- This innovative note decal helps you master the kalimba thumb piano quickly.- Lightweight and practical, you will hardly feel them when you play the piano.- The surface of the sticker is smooth, safe and durable, and has an excellent texture.- The stickers are perfectly matched with the keyboard and are clear and easy to read, making thumb piano learning easier.- The bright sticker appearance can help you easily recognize and remember. Packing list: 10 x kalimba scale stickers