BERNARDEL RosinBERNARDEL Rosin , traditional French recipe with modern refinery technology is always a promise of quality maintenance. Perfectly homogeneous, it is neither sticky nor powdery. The attack of the string is very clear and precise. The sound is easy to produce and control. Thanks to its specific treatments, this rosin is ideal in any kind of weather. Suitable for violin, viola and cello, it is just great for advanced students to professional players.