This J.Burrows Deluxe Gel Memory Foam Lumbar Cushion Backrest helps to improve your posture while you're sitting. It will comfortably fit on most office chairs to prevent slouching and relieve back pain. The comfortable memory foam moulds to your body and provides ample cushioning for your lower back. Features: It conveniently fits onto most office chairs. It will help to support the lumbar curve of your lower back to relieve back pain. The memory foam construction retains its shape for longer and offers support and comfort. Made from fabric, gel and soft memory foam that relieve back pain and improve posture. Comes in a classic black colour.