Lumbar Support Cushion | Ergonomic Back ComfortContoured support pillow for office and car seats. This ergonomic lumbar cushion is shaped to follow the natural curve of your lower back, helping you sit more comfortably for longer. The supportive foam core and smooth fabric cover make it ideal for use on office chairs, car seats or at home whenever you need extra back support. Why Youll Love It Ergonomic contour Curved design supports the lumbar region to encourage a more natural sitting posture.