Adheres to the bow and strings easily, providing excellent grip and resistence while allowing a smooth, complex sound * Contains only highly purified and modified premium grade pine resins, no other ingredients or fillers * Magic Rosin"s almost clear appearance lets us pour it on cool looking sparkles and holograms. No sparkles or colors or dyes are in the actual rosin, just on the paper below! * Developed by a professional cellist/teacher and hand-poured in Minnesota, USA * Premium rosin for all stringed instruments; Used by professionals and students