Enhance the ergonomics of your chair with the Razer Lumbar Cushion. Designed to keep your spine neutral: its fully sculpted lumbar curve is backed by thick memory foam padding wrapped in plush black velvet the right balance of support and comfort for an optimal seating experience. Fully-sculpted Lumbar Curve For a Neutral Spine Position Memory Foam Padding That Adapts to the Shape of Your Back Wrapped in Plush Black Velvet For a Soft, Rich Finish