This light weight practice mute enables players to rehearse anywhere and at anytime. Cuts down on volume as much as 75 %. Bremmer mutes have less resistance, they are easy to play in low register. The intonation is good over the whole register. The unique design creates minimal back- pressure, which helps the throat muscles to achive better control, provides better air supply and flow while being in tune and accurate throughout the range. Comes with cloth carrying bag.