Quality Metal Material Metal Erhu Mute, Erhu Mute, for Beginner Erhu Specification: Features: 1.Made of quality metal material, anti-deformation, sturdy and durable. 2.Lightweight, easy to install and use. 3.It will weaken the volume, not influenced others while your playing. 4.Fine craftsmanship, hard to break, long service time. 5.Great accessory for erhu player. Specifications: Material: Metal Optional Color: Golden, Black Size: Approx. 3.7x2x2cm/1.5x0.8x0.8in Packing List: 1xMute