It can be used to elevate the legs, neck and feet. It comes with a removable machine washable cover. it's 2.2 pounds. You can use the pillow for any activity in bed, reading or watching TV. This pillow may not be suitable for side sleeping as it is very firm. It can be used for the back, stomach or legs. Many people have reported having difficulty sleeping with this pillow and have put another pillow on top of the wedge pillow. http://www.amazon.com/Mabis-Healthcare-Wedge-Support-Pillow/dp/B004X7CBDA/ref=zg_tr_3775471_6InteVision Folding bed pillow with high quality removable cover and carrying case - this pillow is ideal because it folds and comes with its own carrying case. It has a top layer of memory foam and a second firm layer underneath to give it extra feel. They do this to add cushion and support at the same time. This pillow is well known for reducing acid reflux and can be used to elevate the legs. The best feature of this pillow is its foldability. Customers who bought the pillow said it was great for traveling.