The rubber used in the top model Morgan Mouthpieces is a pure hard rubber with no synthetic additives. The rubber is the finest available and is the same rubber formula used by the top makers in the 1920s - 1950s. This formula is exclusive to the Morgan Company and is not used by any other mouthpiece maker. Morgan Mouthpieces makes mouthpieces for the following instruments:

soprano saxophone
alto saxophone
tenor saxophone
baritone saxophone
Bb clarinet
bass clarinet