These mouthpieces offer incredible value for your money, professional quality mouthpiece with a student mouthpiece price tag! George M. Bundy Signature Clarinet mouthpieces are made from molded hard rubber and are precision machine faced for consistently high quality. The Bundy Eb Alto Clarinet mouthpiece fills the need for a student mouthpiece with professional features, such as hand-adjusted baffles for rich, centered tone quality and balanced rails for even response.