Thank you for viewing! * Free shipping * Instant purchase OK * Purchase without comment OK * Discounts are not available. **Product Description** This mouthpiece adapter allows you to play a large-bore trombone with a cornet mouthpiece. This item is for those who wish they could play their large-bore trombone with their usual cornet mouthpiece. Why not try a different and interesting experience? \* The cornet mouthpiece in the product photo is not included. **Features** * Allows you to play a large-bore trombone with a cornet mouthpiece! * Very small, so you can take it anywhere. **Size** 18mm x 50mm **Material** * PLA resin (plant-based plastic) Each item is made with care, but as it is handmade 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 in 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.