The highly compacted foam adjusts to your body warmth and weight and gives you the support you need you can use it for your back neck or legs the cushion will go slowly back to its original shape after you have used it the compact size means that you can take it with you in the train car airplane or office the comfortable soft cover can be removed for washing you can use it in the office or at home and will be able to sit in comfort the unique viscoelastic foam adjusts to your bod