NO DISTURBING: The mute cuts the sound of the trumpet, making it easier to play indoors, without disturbing anyone. It also adds effect to music.GREAT PRACTICE TOOL: Perfect mute for music lovers to practice or warm up quietly at home or before performance.CLEAR MUTE SOUND: Helps to produce a clear mute sound at any volume and perform evenly in registers.PREMIUM MATERIAL: Mutes can often help trumpet players blend better with their instrumentalists. Aluminum alloy mute produces a distinct, muted sound throughout the natural range of the instrument.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. Notes: The mute is installed in the of the horn. And you may need some adjustment to fit the mute with your trumpet.Its sometimes necessary to apply moisture to the cork to hold the mute in place.Material: Aluminium Alloy, CorkColor: SilverSize: As Picture ShownPackage Contents: 1 * Trumpet Mute Silencer Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.