Lightly used Vandoren M15 Bb clarinet mouthpiece. This is the '13' or 'American' series with the Profile 88 style. Google 13 series and Profile 88 in the Vandoren line. The 13 series basically refers to a lower pitch ie A=440 tuning than the European tuning of A-442. The 88 Profile is basically a lower angle mouthpiece beak profile, supposedly meant to give better comfort. Mouthpiece is in very good condition. Beak is clean. Previously played on with a mouthpiece patch so there are no tooth marks. Comes without the original box but will be packaged securely with bubble wrap protection in a cardboard box. Mouthpiece has been cleaned and sterilized with a solution consisting of water, baking soda, vinegar, and lemon juice. Has a mouthpiece patch on the beak.