All artist model mouthpieces are meticulously made by Charles Bay and Jonathan Bay. Each one is individually hand-crafted, voiced, tuned and finished. It is then uncompromisingly play-tested in our workshop. Our mouthpieces are internationally renowned for the ability to project one’s unique sound whether Classical or Jazz. Free-blowing, ease of articulation, intonational reliability and blending characterize all Bay mouthpieces. Charles bay & jonathan bay artist model American Rubber or German Rubber. Longer and deeper beak adding to magnificent tone quality and instantaneous response. Options: Black and Long Duckbill only. Artist and professionals best choice. Bay professional model American Rubber or German Rubber. Longer and deeper beak adding to magnificent tone quality and instantaneous response. Machine made and hand finished. Options: Black and Long Duckbill only. Artist and professionals best choice. .