Amazon.com: Memory Foam Seat Cushion.
CAR SEAT CUSHION - 100% memory foam cushion is 3' thick and doesn't flatten. It's not too soft, nor too hard. It's often used to raise drivers height. It is a Driving Car Seat Cushions WHEELCHAIR CUSHION being a wheel chair friendly medical aid that gives pelvic & hip pain relief. Plus relieves stress on lower back, spine & tailboneGet Price