This silver-plated mouthpiece is designed for the tuba. High quality copper The Eastrock silver plated tuba mouthpiece uses the international standard special musical instrument copper. Design with heart The tuba mouthpiece is polished, very comfortable and easy to blow, not too sharp or too slippery. Our mouthpieces are capable of playing rich sounds. Silver plated surface The common mouthpiece is nickel-plated. Our mouthpiece is silver-plated, the sound is louder, and it is non-toxic and tasteless.