<ul> <li>These Morgan jazz alto saxophone mouthpieces are made from the finest pure hard rubber</li> <li>The formulation for the rubber is exclusive to the Morgan Company and is the same formula used by top mouthpiece makers in the 1920s-1950s, with no synthetic additives</li> <li><br /><br />Morgan jazz alto sax mouthpieces are available in 3 chambers: medium, medium large and large</li> <li>The medium mouthpiece has a round chamber with a smooth rollover baffle</li> <li>It has a long S-curved roof to produce that pop you want without</li> </ul>