Shoulder Sponge for 1/2 - 3/4 Violins and 12" - 13" Violas

A contoured sponge that attaches to the back of a violin or viola with rubber bands (rubber bands not included) and helps support the instrument and promote good playing posture. This shoulder sponge fits 1/2 - 3/4 violins and 12" - 13" violas.