Features: Saxophone Bend Neck Sleeve: Soft silicone material, good elasticity and is not easy to deform, durable Features: soft, airtight, easy to install and practical Function: Effectively improve tone or assists performance Easy to Use: No cumbersome cutting, easy to remove for cleaning Fits: Suitable for alto saxophone tenor saxophone accessories repair parts. Specifications: Material: Silicone Weight: 8g Size: red: 3.3x1.5x1.8cm, blue: 3.3x1.4x1.7cm, black: 3.6x1.3x1.5cm Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 3pcs Sax Bend Neck Sleeves