Features: Make of soft silicone, these thumb rest cushions are nonslip, waterproof, and easy to clean. They fit most clarinets. Easy to use and nonslip. Provides extras thumb rest and helps maintain correct finger position. Provides extras thumb rest and help to keep a long time performances. Installation and disassembly are very simple . Great for both beginners and professionals, these thumb rest cushions help prevent fatigue and strain during long practice session or performances. They are perfect for anyone who wants to improve their playing comfort and technique. Our thumb rest cushions come in a variety of vibrant color, allowing you to personalize your instrument and stand out from the crowd. They also make a great gift for any music lover or aspiring musician. Specifications: Materials: Silicone Color: Black/White/Blue/Pinks/Green Size: as shown in the picture Package Includes: 1pc Thumb Pad note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.