Imported from France, Gustave Bernardel Rosin is an all-purpose violin, viola and cello rosin which is popular with both amatuer and professional string players. An excellent rosin for violinists, violists, and cellists. Gustave Bernardel Rosin is even preferred by some double bass players because it is harder than most bass rosins on the market. The amber rosin cake comes packaged in a lovely chamois cloth and attractive, velvety blue bag.