Product Description 1. Lightweight yet sturdy solid core massage roller mimics the fingers, palm and thumb of a therapist's hand. 2. The high-density muscle roller is comfortable to use - so ideal for beginners, and is good at penetrating the soft tissue layers of tired muscles. Strong enough to provide great benefit for lower back injuries, sciatica or plantar fasciitis. 3. One of the best recovery tools for treating muscle pain, improving performance and flexibility. Rolling back and forth is part of a good stretch. Increases blood flow to the massaged area and flushes away stored lactic acid. 4. Stretch overworked and strained muscles in the legs, arms, and feet by rolling while warming up and relaxing. Provide instant benefits to hamstrings, IT bands, buttocks and calves with an exceptional massage at home or in the gym..