I am selling mouthpiece cushions. While black is the standard color for mouthpiece cushions, I am selling them in black. This product is designed to prevent tooth marks on your mouthpiece. Why not give it a try? Thickness: 0.3mm *This is a thin type.* Size: M size *28mm long, 21mm wide* Shape: Oval Applicable instruments: Alto saxophone, tenor saxophone, baritone saxophone, B♭ clarinet, bass clarinet Shipping method: Mini Letter or regular mail *Usage Notes* When attaching the cushion to the mouthpiece, make sure to apply it firmly to avoid air bubbles. If you play with air bubbles, moisture can get trapped, and the cushion may tear easily. It is recommended to apply the cushion and let it dry for about 5 minutes before playing. Type: Saxophone Accessories/Parts: Mouthpiece