Description Features: Make of rubber, soft and reliable. The comfortable fit allows you play the clarinet better. It eliminates thumb soreness during performances and provides additional thumb rest. This is a small tool for protecting instruments and hands, which can alleviates fatigue from prolonged playing. Easy installation, installation and removal only take a few seconds to use. Small size, easy to carry and store, suitable for most clarinets. Specifications: Material: Rubber Size: As Shown In The Picture Note: Please allow 1-2cm errors due to manual measurement, make sure that you not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 5pcs Clarinet Thumb Pads