Sacro-Ease Ergo Contour Cush Seat Cushion - Black Provides deep contoured comfort, yet only 1 3/4" deep | Relieves pressure and helps to support your back reducing overall fatigue. Made from the newest generation of high density visco-elastic memory foam, comfort ease is both anti-bacterial and anti-fungal, offering peace of mind, as well as, comfort and support. Portable - with convenient carrying handle | Perfect at the ball game, stadium, or theater. Specifically shaped to fit hardwood chairs, office chairs, and any other seat that needs some additional support. 5 Year warranty