Item Type: Trumpet Mute Material: Aluminum alloy, cork 1DURABLE MATERIALS: Trumpet mute is fine manufactured in aluminum alloy and cork for durability and reliability 2INNOVATIVE DESIGN: The trumpet mute silencer feature an innovative cork rim design to prevent resonance and damage to the instrument 3POWERFUL SOUND REDUCTION FUNCTION: Trumpet practice silencer can reduce the volume by 80%?90%, effectively control the noise, and avoid disturbing others 4LIGHTWEIGHT AND PORTABLE: The trumpet mute is ergonomically designed, compact and lightweight, comfortable and easy to hold, simple to carry and operate 5APPLICABLE SCENARIO: Practice silencer applies to trumpet, perfectly caters to the needs of players, and provide more professional and excellent playing experience1 xTrumpetMute