Pillow Lumbar Cushion - Navy color, this lumbar support office chair back cushion helps the lumbar and sacral region of the spinal colum. This Lumbar support helps to keep a good posture while sitting and also prevents spinal colum problems, it is ideal for those who work all day at the office. Lumbar pillow may be used in chair or car, it is washable, removable covers, 12 inch polyurethane foam molded to curve around to the sides of the back.