This is "Fue Pita," a playing aid sticker for soprano recorders. By applying it to the holes of the recorder, your fingers won't slip, allowing you to cover the holes securely. It's recommended for those who are not good at playing or for children's practice. [Product Name] Fue Pita [Use] Playing aid sticker for soprano recorders [Condition] Unopened, new. Since it's been stored at home, the package may have some minor scratches, but the contents are fine. Thank you.