What's in the box:

Viola Violin Mute Silencer Metal Fiddle Silencer 3 Prongs for Violin/Viola Practice Accessories (Black)

Features:
Designed for violin/ viola practice.
Turning down the volume and maintaining good quality sound and clear tone.
Small and compact design, easy to install.
Sturdy 3 prongs metal construction.
Perfect for practicing you violin anywhere and anytime without bothering others.

Specifications:
Material: Metal
Color: Black/Gold(Optional)
Item Size: 3 * 3 * 1cm / 1.2 * 1.2 * 0.4inch
Item Weight: 16g / 0.6oz
Package Size: 11.5 * 7 * 2cm / 4.5 * 2.8 * 0.8inch
Package Weight: 25g / 0.9oz

Packing List:
1 * Mute

Note:
The violin showed in the picture is not included.