FITS FOR: Suitable for soprano alto tenor sax , the saxophone thumb is easy to install and use. PREMIUM MATERIAL: Made of high quality Silicone material, which is soild and . FUNCTION: Resting your thumb and protecting the instrument, and reduce pressure by long term playing COMFORTABLE USING EXPERIENCE: With the non-slip and soft gel cushion, you will feel comfortable when you play performance. Color: Black Material: silicone Package Contents: 7PCS Saxophone Thumb cover 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.