The Jewel Concert Baritone Sax mouthpiece is made from 100% pure hard rubber and hand worked at all critical points for exceptional playing response. This mouthpiece is a streamline design. The streamline style is more comfortable on the embouchure for the younger players. Available in one medium facing, The Jewel Concert bari mouthpiece is very controllable a great choice for Symphonic band. The concert Bari mouthpiece is designed with a step baffle in the chamber which allows the player is increase volume and projection when needed.