Description Get comfort and support with this Back Cushion with Lumbar Support. This Cushion is manufactured with a memory back cushion which provides comfort and support to your back. Its Durable Masonite Board will stop the back cushion from moving while giving it more security. The cushion's sealed liner will also protect the core foam from moisture. Its shape also adapts the lumbar curve, which is perfect for users with lower back issues. The Back cushion also features a non-slip vinyl to prevent the cushion from sliding.