Power System Fitness Roller - Massage roller. A reliable and effective massage tool designed to improve general well-being, relax tense muscles, activate blood circulation and restore muscle elasticity. The roller is designed so that you can comfortably massage a group of sore or stiff muscles. Perfect for muscle relaxation before and after training. Regular use helps reduce the risk of injuries, recover from injuries (must be used properly), helps muscles recover faster. It is made of high quality foam and a solid hollow core. The outside of the roller has a roughened surface, thus helping to massage not only large, but also smaller muscles.