- Foam - Convoluted foam disperses surface pressure for greater sitting comfort, promotes good posture and fights pressure sores. - Can be used in leg elevation and as a backrest (against a straight back chair). - In bed, use cushion under buttocks or knees to relieve pressure and tenderness resulting from friction with bed clothes. - Great for travel including airplanes, buses, cars, and train trips. - Fights pressure sores. - See pictures for approximate sizing, feel free to request other measurements! - Combined Postage is available on all orders! - Feedback is highly appreciated. - Message me with any question. **Please view all pictures carefully as they represent the actual item(s) you will receive, and current condition. I do my best to address anything and everything wrong with an item so you are a 100% aware of any issues or concerns. If for whatever reason I make an error in the listing, measure the item incorrectly, have the wrong picture or over see damage please contact me through messages ASAP prior to starting any return process and I will make it right! Be sure to check out MegaStore_101 for other great item's, deals and SALES!