The Mute Case from Neotech provides a safe and convenient way to transport and store your brass instrument s mutes. The soft durable neoprene pouch stretches to accommodate a variety of sizes and types of mutes protecting them against dust moisture and impact. The drawstring closure secures and releases quickly and easily. A convenient snaphook is provided as well as a pair of touch fasteners that allow you to piggyback the Mute Case onto your instrument s carrying handle. Trombone: 6 diameter x 12 long