Features: Mouthpiece is made of ABS material, which is durable and has a simple appearance. Unique hard design that can withstand rough play and use by children. The sound of this mouthpiece is pure and suitable for most alto trombones. The compact shape is easy to carry. Suitable for beginners and professional trombone players. The lightweight nozzle is very easy to install, detachable, and easy to clean. Specifications: Material: ABS Color: White/Red/Blacks Size: As shown in the picture Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Trombones Mouth