Our medium amber student rosin provides the perfect balance of grip and smooth sound for violin, viola, and cello. Sustainably harvested from U.S. tree farms and made from 100% natural ingredients, Rockin' Rosin contains no plastics, oils, or synthetic chemicals. Packaged in a shockproof case and wrapped in colorful, coordinated fabric, Rockin' Rosin has been a favorite gift of Suzuki and orchestra teachers for years. Whether for daily practice, recitals, or holiday gifts, Rockin' Rosin makes music more fun.