The Essential Medical Lumbar Cushion for a Car eases stress with a contoured molded design that is perfect for buck seats. Contour design supports the lumbar or lower section of the back without pushing the user too far forward in the car. Made of dense but soft highly-resilient foam, it is designed to provide long term support when used consistently in a car. Cushion includes and elastic strap that will keep it in the position you need on your lower back. It is available in a mesh breathable fabric that is removable and washable.