The Yamaha Soft Mouthpiece Patch 0.5mm protects the instruments mouthpiece against signs of wear like teeth marks. The 0.5mm thickness and the soft material provides cushioning which makes the instrument comfortable to play. The medium size is the perfect fit for Clarinet (Bb/A/alto/bass) Saxophone (alto/ tenor/baritone) and Alto Venova. SpecificationsColour: Variations may occur in the colour tint Size: M Material: Natural materials Product Code: BMMMPATCHM05S3