Features: Rosin is well suited for violin, viola and cello. It enables maximized projection and extra clear bow articulation. Good quality, low dust, high viscosity, makes the instrument pronunciation have a sensitive timbre. Great grip and sound penetrating, well suited for all kinds of steel and synthetic strings. Rosin has good quality and low dust rosin, can protect human body against the harm. Nice tool for maintaining your instrument. Specifications: Material: Rosin Color: Red, Yellow (optional) Weight: Approx. 36g Package Included: 1 * Rosin Package List 1Rosin is well suited for violin, viola and cello. It enables maximized projection and extra clear bow articulation. 2Good quality, low dust, high viscosity, makes the instrument pronunciation have a sensitive timbre. 3Great grip and sound penetrating, well suited for all kinds of steel and synthetic strings. 4Rosin has good quality and low dust rosin, can protect human body against the harm. 5Nice tool for maintaining your instrument.