This therapeutic seat and wheelchair cushion helps distribute weight so you can sit comfortably for long periods of time. The convoluted foam design reduces pressure on sensitive areas and helps increase air circulation to make any seat more comfortable. Comes with a removable, machine washable, polyester cotton navy cover. Made of durable polyurethane foam. Measures 15 1/2"L x 17 1/2"W x 3"H. Made in USA.