Bb Clarinet Mouthpiece Wi-Fi (Wee & Fee) S Series 1 From the HP... The S1 has a flexible sound with a balance of resonance and roundness (tip opening/1.19 length/M) Vandoren B40 Lyre The printing is faded and it shows signs of use, but I think it can be used without any problems. If you have any questions, please feel free to ask!