The rosin is available in a deluxe line which consists of a protective silicon packaging  that affords the bassist a rosin packaging that keep the bass rosin fresh,  and prevents any kind of melting out of older packaging. The silicon rosin housing then is put in an attractive gold foil container; esthetic and protective for the professionals’ needs, but practically sized with easy storage in mind. Our Formulation Supreme Bass Rosin can be acquired in several grades (Hard, All Weather, amd Soft) to meet the musicians’ personal preference, as well as the geographic and climatic conditions that prevail where the rosin will be used.

Through extensive research and experimentation, Kolstein Bass Rosin has attained this unique and revolutionary Formulation Supreme. The result is bass rosin which has been fully acclaimed by our finest international soloist and ultra-professional orchestral and recording artists.