Improve your comfort and position while playing your violin or viola with the On-Stage Foam Shoulder Pad for Medium Violin/Viola. This gray pad assists in supporting the instrument without the use of the neck hand, for more ergonomic playing. The curvature of the top and bottom follow the contours of the instrument and the player's shoulder to increase comfort and balance. The pad fits 12 to 13" instruments including 1/2 and 3/4-size violins.