Features: Made of brass material, CNCintegrated molding, hollowed out treatments, and smooth surfaces. Used for daily practice of trumpet players, mastering the playing mouth shape. Made of brass, silver plated thick, not mixed with other materials to ensure the best performances and durability of each blowing nozzle. The mouthpiece is compatible with most trumpet sizes. Easy to wipe and maintain cleanliness. It can meet the requirements of different occasions, such as schools, music halls, bars, families, band practice areas, and performers' learning stages, as gifts for trumpet beginners, professional performers, children, and adults. Specifications: Material: Brass Silver Plated Size: Approx. 8.7x2.7cm/3.42x1.06inch 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 Trumpet Mouthpiece