Fast shipping + Free tracking number , Violin Alloy Practice Mute Golden For 4 / 4 Violins Professional Accessory New and high quality. Designed for 4/4 acoustic/electric Easy to change. Never dampen the tone Perfect for volume control Material: alloy. Color: gold Come with 1 usongs brand black elasticity hair band (towel material), 1 random color keychain retractable measuring tape. and with a usongs Cardboard Box in packing