The Muscle Therapy Foam Roller helps you to treat your muscles to a deep massage. The Foam Roller gently releases built-up tension & loosens stiff muscles, while elongating & aligning the spine. Included in this set is a 15-minute DVD which teaches you gentle roller exercise routines to help relieve stress & muscle tightness, increase circulation & self-massage trouble trigger points. Ideal for travel & home gym use.* Dimensions: 6in diameter; 18in long* Weight: 14.6 oz.