Features: Suitable for all type trumpets. Very useful when you feel like playing your mute in middle of night. With sound quality intonation in all dynamic ranges and superb workmanship. It produces type of sound that is considered standard in cup mutes for most jazz musicians. Made of excellent Aluminum alloy durable for use. Specifications: Material: Aluminum alloy Color: Silver Length: Approx. 13.5cm / 5.3in Diameter of small end: Approx. 2cm / 0.8in Diameter of large end: Approx. 7cm / 2.8in Item Weight: 36g / 1.3oz Package Size: 7.5 * 7.5 * 15cm / 2.95 * 2.95 * 5.9in Package Weight: 77g / 2.7oz Package List: 1 * Trumpet Mute Note: Trumpet is not included.