Ergonomic Lumbar Support Cushion for Office Chairs and CarsErgonomic Comfort for Every Seating Occasion The Ergonomic Lumbar Support Cushion is designed for long sitting periods in the office, car, or while traveling. Its special shape relieves pressure points and promotes a healthy sitting posture, while the non slip underside ensures a secure hold on any chair. WHY CHOOSE THIS? Promotes a healthy sitting posture and relieves the lumbar spine. Individually adapts to the back and maintains its shape.