D'Addario Natural Rosin for Violin-Viola-Cello

D'Addario Natural Rosin for Violin-Viola-Cello is made with all natural ingredients and combined in a special process that's made to use on either horsehair or synthetic hair bows. The packaging fits perfectly in cases, and the plastic channel makes it easy for students to apply on violin, viola, or cello bows. Options available in light or dark.