Feature: 1. Good-quality materials, possess good air tightness, excellent elasticity and sound insulation 2. This is a perfect pad replacement, which can eliminate worn or non-working sound holes 3. Clarinet sound hole pads are durable and soft, non‑toxic and odorless, you can use with confidence 4. Great accessories, make your old clarinet a new accessory with these parts, very practical 5. Made of sheep casing, which is an important musical instrument accessories, very versatile Specification: Item Type: Clarinet Sound Hole Pads Material: Sheep casing Product Size (diameter): Approx. 17.23mm / 0.7in(3pcs) 16mm / 0.6in(1pcs) 12.2mm / 0.5in(2pcs) 10mm / 0.4in(11pcs) Package List: 17 x Clarinet Sound Hole Pads