It is a highly versatile and durable product. It is made of high quality material that makes the product last long. Designed for sit-up, abdominal and upper body workout, Thick knee and ankle rollers for maximum comfort. This machine is very easy to use and can accommodate users of almost all sizes. Its never too late to achieve your desired fitness in the comfort of your own home. It is ideal for defining and toning the entire abdominal section and other areas of the upper body.