The Vandoren Traditional M30 Bb Clarinet Mouthpiece is a very flexible clarinet mouthpiece from Vandoren designed to produce sonority similar to the B40 mouthpiece but with easier sound production qualities. It is essentially the 5RV Lyre with a larger tip opening and a longer facing, guaranteeing flexibility and roundness. This mouthpiece has an exceptional quality of sound.

Vandoren mouthpieces are known for their high, uniform quality, among the best of the mass produced, and are especially popular among clarinetists. The Vandoren line is extensive. It covers all woodwinds and offers designs suited to a variety of playing and musical styles.