The D'Addario Violin Rosin, Cello Rosin, and Kaplan Premium Light Rosin combined in a case tailored for violin, viola, and cello bows, made perfect for horsehair or synthetic strings. This meticulously designed package ensures a superior grip and control, whether your instrument is a dominant horsehair or a hybrid horsehair-synthetic. The exceptional formulation delivers a rich, deep, and vibrant tone, ideal for any violinist or cellist. The case's ergonomic design provides effortless handling, making it an essential accessory for any music practice session or performance. Try the D'Addario Kaplan Premium Light Rosin, Cello Rosin, and Violin Rosin today and elevate your musical experience.