The LumbarCushion for travel is ergonomically designed to support your mid and lower back, making sitting for long periods far more comfortable. When you sit for long periods of time--in the car or on the train or plane--your back can suffer. This travel cushion works well for long car rides, with an ergonomic shape that supports your mid and lower back. This cushion responds to body temperature and weight to provide unsurpassed comfort, pressure relief and support. Also works well with the SeatCushion by Tempur-Pedic™ (item #691915). Cover is removable, washable and allergen-resistant. Cover is 75% cotton, 25% polyester. Order The LumbarCushion by Tempur-Pedic--Travel from Brookstone and give your back the support and comfort it needs wherever you go!