12Pcs Yootones Rubber Violin Practice Mute, Round Tourte Style Mute for Violin(Black)

Good quality rubber, flexible and durable. Compare to the metal violin mute, rubber would not scratch your violin and damage the bridge. Just put our violin mute on top of the bridge. Lightweight and durable, easy to carry and operate. Dimensions: Pcak of 12 violin mute, 19mm x 19mm x 4mm, suitable for most violin. Still to keep it's pitch when you use this practice mute to lower the sound by violin, without affect your practices. Great for practicing and playing violin when you don't want to disturb your family or friend. Since there is no slit on both sides of the violin mute, the buyer needs to slit it by himself when using, thank you!