Thank you for viewing! * Free shipping * Instant purchase OK * Purchase without comment OK * Discounts are not available. **Product Description** This mouthpiece adapter is for playing the tuba with a cornet mouthpiece. This item is for those who have wished they could play the tuba with their usual cornet mouthpiece. Why not try a different and interesting experience? ※ The cornet mouthpiece in the product photo is not included. ※ Depending on the shape of the cornet mouthpiece, it may not be usable. **Features** * Allows you to play the tuba with a cornet mouthpiece! * Very small, so you can take it anywhere. **Size** 18mm x 67mm **Material** * PLA resin (plant-derived plastic) Each one is made with care, but as it is a handmade item by an amateur, there may be distortions, fabric wrinkles, and errors. Please understand that it is not perfect like a mass-produced product. * We will ship within 2-3 days as much as possible. (It may take some time as it is a personal sale.) * We will ship with simple packaging to keep the price low. * Because it is handmade, the construction may feel less refined compared to mass-produced products. If you are concerned, please refrain from purchasing.