Features: Exquisite bow hair clips. Set of 20 clips. Snap-on, easy to use. Flexible enough to bend in to place and grip your hair. Great for practising playing the violin when you don’t want to disturb your family or friends. Very easy to use, just put it on top of the bridge. Compatible with 4/4 violin. Colour: Black. Box Contents: 1 x Rubber Practice Mute for Violin.