Description High-quality rubber, soft and durable in use. Effectively reduce fatigue and pressure. Increase stability to ensure more excellent playing performance. Easy and convenient to use. Not necessarily suitable for all clarinets. If the installation is loose, you can wrap a little tape before installing. Color: Black Material: Rubber Size: 1.7cm (0.67in) 1cm (0.39in) Quantity: 5pcs Note: Please allow 1-3mm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 5pcs Clarinet Thumb Cushions (No retail package)