High Density Foam Roller - 13 Inch IMPROVE FLEXIBILITY - Easily target muscle knots for myofascial release, to increase flexibility and joint mobility DECREASE MUSCLE SORENESS - Helps to increase blood flow to muscles for enhanced muscle recovery and athletic performance TEXTURE - Smooth ridges offer the perfect amount of pressure for deep tissue massage without being too intense STURDY HOLLOW STRUCTURE - Shape will not get distorted with repeated use unlike traditional foam rollers COMPACT SIZE - 13" foam roller is easily stored in small spaces