Features: Food grade environment-friendly silicone material, clean and sanitary, with high resilience. Protects the flute head from being bitten and extends its service life. The back is removable sticker, easy to tear and stick, no glue left. The thickness is 0.5mm/0.8mm(optional), and the ultra-thin mouth will not affect the mouth shape and bite feeling, which is more conducive to maintaining the correct blowing mouth shape. Suitable for clarinet head. Specifications: Color: Black / Transparent (Optional) Thickness: 0.5mm / 0.8mm (Optional) Material: Food grade silicone Item Size: 23 * 16mm / 0.91 * 0.63in Item Weight: 10g / 0.35oz Package Weight: 11g / 0.39oz Package Size: 16 * 8 * 0.5cm / 6.30 * 3.15 * 0.20in Package List: 10 * Clarinet Mouthpiece Pad