Best Seller. More modest and less bulky than a conventional foam roller, the Myo- Roller has a diverted, or H-shape, improve the position of spinal arrangement and focus on the different pressure points during self-myofascial release. The bumpy surface adds relaxation during pin-point or intense release moves for the legs, back, and arms. Heat-sealed EVA foam structure keeps shape, resists moisture, and bacteria. Lightweight and excellent for travel.