Bodyline Comfort Systems Back-Huggar Cushion Promotes healthy posture and ensures proper lumbar support. This cushion relieves lower back disc pressure, reducing pain and fatigue Unique two-plane shapes support laterally and vertically one-piece, molded polyurethane foam. For use with any chair or automobile seat Offers comfort and improves posture while driving or sitting. This product actually improves posture while sitting anmd the bucket seat is beveled in the back for bucket seats and curved-back chairs.