Develop core stabilization, lower body balance and stamina with the High Density Foam Roller. It's sturdy and resilient, with the high-density molded foam retaining its shape even after heavy use. This ultra-rigid roller can be used for gentle stretching, trigger point therapy and self-mobilization of the spine and joints. The High Density Foam Roller is available in either full or half rollers in either 12" or 36" lengths.