MaterialThe trombone mouthpiece is made of copper alloy material, sturdy and durable for long-term use. FeatureThis French horn mouthpiece is well-designed with high precision, easy to play, and produces a strong sound. FunctionThe trumpet mouthpiece allows you to achieve a loud sound with a smooth tone. GiftsWhether you are a trombone enthusiast or a beginner, this is an ideal accessory or gift for you or your friends. ApplicationThis trombone mouthpiece is suitable for trombone, baritone, and euphonium, designed for both trombone enthusiasts and beginners. Specification: Material: Copper Alloy Size: 66mm x 26mm / 2.60 inch x 1.02 inch Package Includes: 1 Piece Trombone Mouthpiece Note: Please allow slight variations due to manual measurement and differences in monitor displays.