Features: Designed to mute your trumpet, not bother your families, neighbors and pets anymore, addicted to your practicing. Made of aluminum alloy, well polished surface is smoother to hold, prolonged in use. It can fit all kinds of trumpets, with soft wood surrounded the inlet, not hurt the trumpet. Light weight and convenient to use, easy to carry, just plug into the trumpet and then start practicing. Great accessory for trumpet beginner players, more pleasing environment for your families. Specifications: Color: Silver Material: Aluminum alloy Dimension: 14 * 7 * 7cm / 5.51 * 2.76 * 2.76in Net Weight: 42g / 1.48oz Package Size: 14.5 * 7.8 * 7.5cm / 5.7 * 3.08 * 2.95in Package Weight: 81g / 2.86oz Packing List: 1 * Trumpet Straight Mute