Features: brand new and high quality Made from quality silicone material, stretchy, light weight and durable to use. Noise eliminating, and protect the brim of bell from scratch and collision. Lessen the noise of saxophone for practice, easy to install and use. Light in weight, small in size, and it does not take up too much space. It is an useful tool for saxophone lovers. Specifications: Material: Silicone Color: Black Size Optional: 3 Sizes are Available as Shown in the Picture. ①Tenor Saxophone: Diameter: approx.13.5cm/5.3in ②Alto Saxophone/Trumpet/Cornet: Diameter: approx.11cm/4.3in ③Soprano Saxophone: Diameter: approx.8.5cm/3.3in Package Includes: 1Pc x Saxophone Mute Silencer note: Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!