Features: The practice device for blowing lips and vibrating mouth during horn playing has good vibrations and comfortable performances. The inner wall has undergone multiple polishing processes, making it smooth and tidy. The surfaces silver plating treatments is not only for the sake of beauty, but also the molecular structure characteristics of silver will further improve the overall timbre. Made of brass specifically for wind instrument, ensuring a clear and full tone and good resonance. Hollowing processing, smooth surfaces, used for daily practice of trumpet players, mastering the mouth shape of blowing. Can be used as a gift for trumpet beginner, professional performers, children, and adults. Specifications: Material: Brass+Silver Plated Size: Approx. 9.9x4.9cm/3.90x1.93inch Package Includes: 1x Trumpet Mouthpiece 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.