Designed for bakelite mouthpiece of B flat clarinet. The clarinet ligature is leather, the leather texture is soft, providing good protection for the mouthpiece. Copper nickel plated adjustment screw, long usage time and non fading. Equipped with a stainless steel mesh frame, it effectively locks the whistle and has shock absorption function. The mouthpiece cap made of plastic, and this product is wear-. There are 4 air vents at the top to that the mouth is ventilated and breathable. Note:Not suitable for metal mouthpiece. Product Name:Clarinet Mouthpiece Fastener Set Apply to: Clarinet Color:Black Material:Plastic + PU leather Package Contents: 1 x Leather Ligature 1 x Mouthpiece Cap Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.