Incredibly easy to use this roller slide also provides one of the absolute best exercises for the midsection, As little as 5 minutes a day and you will feel the strengthening and toning of your abdominal and oblique muscles, Also works your arms shoulders and back improving your overall fitness, It"s small size makes it easy to store and transport, Its durable construction will means you will never miss a workout, Includes a mat for knees and instructions for various exercises, SKU: SUNY001