Sierra Comfort Diamond Grid Foam Roller, Black Capable of detaching at its mid-point and becoming two separate 12 inch rollers. The smaller roller size can facilitate in maneuvering to specific areas of the body Benefits include; improved blood circulation (throughout skin, muscles, fascia, tendons, and ligaments), relief of tightness in muscles, enhanced motion in spine, and less tension through day-to-day activity Length: 24" (complete)/12" (apart) Diameter: 5 inch 2) detachable end-caps