1、The mute cuts the sound of the trumpet, making it easier to play indoors, without disturbing anyone. It also adds effect to music 2、Perfect mute for music lovers to practice or warm up quietly at home or before performance 3、Helps to produce a clear mute sound at any volume and perform evenly in registers 4、Mutes can often help trumpet players blend better with their fellow instrumentalists 5、Aluminum alloy mute produces a distinct, muted sound throughout the natural range of the instrumentDescription: The mute helps to lower the volume and alter the tonal quality of the trumpet, allowing you to warm up quietly and practice silently at home, no worry about disturbing your neighbors, family members or pets. A must have for many trumpet players.  Features: The mute cuts the sound of the trumpet, making it easier to play indoors, without disturbing anyone. It also adds effect to music. Perfect mute for music lovers to practice or warm up quietly at home or before performance. Helps to produce a clear mute sound at any volume and perform evenly in registers.  Mutes can often help trumpet players blend better with their fellow instrumentalists. Aluminum alloy mute produces a distinct, muted sound throughout the natural range of the instrument. Specifications: Condition: 100% Brand New Material: Aluminium Alloy, Cork Color: As Picture Shown Size: As Picture Shown Package Weight: Approx. 97g Package Included: 1 * Trumpet Mute Notes: 1. The mute is installed in the bell of the horn. And you may need some adjustment to fit the mute with your trumpet. 2. It's sometimes necessary to apply moisture to the cork to hold the mute in place.