Silicone material clarinet thumb rest cushion which is not only soft and comfortable when used, but also non-, environmentally friendly. Installation and disassembly are very simple. It takes only a few seconds to complete the installation and disassembly. Provides extra thumb rest and helps maintain correct finger position. When using the instrument for a long time, clarinet thumb protector can help eliminates fatigue and stress. Comes with 5 pack thumb rests, suit for most clarinet. Color: As Shown Material: Silicone Package Contents: 5 x Clarinet finger rests Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.