Most of these lumbar support pillows are stiff and uncomfortable. The Cush Lumbar support is extremely comfortable. I have a slight curvature of the spine and when I sit for too long like in long car trips, my neck gets stiff. That is because I am not sitting up straight. The Cush lumbar support helps improve my posture and when I sit straight, there is no back pain or neck pain. Glad that I found this product. ..More