High Density Foam Roller Features: Full Round 6" diameter roll Ideal for athletes and trainers Ideal for those wanting an intense myofacsial release High-density, molded-foam technology Retains shape after heavy use Lasts longer than traditional foam rollers Great for exercise, training, and rehabilitation Available in Black only Description: This is a commercial quality firm full or half round foam roller. 36 inches long by 6 inches in diameter. Coal/Black Foam Roller offers a wide range of strengthening and rehabilitation exercises. It is a high-density foam technology that retains its shape after heavy use. Comes in color coal/black.