Product Title: Thumb Piano Sound Stickers, 17-Key and 21-Key Sound Stickers Enhance the sound and playability of your thumb piano with our Thumb Piano Sound Stickers. Designed specifically for 17-key and 21-key thumb pianos, these stickers are a must-have accessory for musicians of all levels. Crafted with precision, our stickers are made from materials that ensure a long-lasting adhesive grip. The specially engineered sound-enhancing design helps to amplify the resonance and produce a fuller, richer sound. Whether you're a beginner or an d player, these sound stickers are perfect for enhancing your playing .Versatile and easy to use, simply peel and stick the sound stickers onto the appropriate keys of your thumb piano. The clearly labelled stickers make it effortless to identify the different notes while playing, allowing you to learn new songs or improve your playing skills with ease. Ideal for musicians, music enthusiasts, and music teachers, our thumb piano sound stickers are an essential tool for learning, practicing, and performing. With these stickers, you can quickly familiarize yourself with the key positions and improve your musicality.