DAddario light rosin is made with all-natural ingredients combined in a special process to create rosin that offers premium performance at a great value. Thoughtfully designed, the light rosin sits in a unique plastic channel that provides an easy grip. Ideal for students, the compact and attractive packaging fits nicely in instrument case and does not take up too much space. Extremely versatile, DAddario natural light or dark rosin is suitable for horsehair or synthetic hair violin, viola or cello bows. Since 1905, DAddario has been providing artists and players with the tools they need to perform their magic. As musicians ourselves, we have the unique ability to engineer products that inspire other musicians. The DAddario familys vision, creativity, passion and tradition have made us the worlds largest musical instrument string manufacturer. We put our familys heart, soul and love for making music into every string and instrument accessory we create, and we never stop inspiring performance.