CanDo Black Composite High-Density Roller, Half-Round, 6" X 12" The perfect myofascial release tool for CrossFit, Yoga, Pilates, Weight Training, Bodybuilding, MMA and other exercise activities Relieve pain in your back, legs, neck, IT-Band, and shoulders by triggering blood circulation to sore and tight muscles Premium high-quality black molded foam design provides both firmness and durability allowing it to not lose its shape after repeated use Great to use for physical therapy, yoga, exercising, stretching, or resting Available in round or half-round styles, and lengths from 12" to 36"