I bought this for my car because I have a pars defect in my back and drive 45 each way to work. The commute was killing my back, so I wanted to try something to help relieve the stress on my back. I also started wearing corsets to support my back. Between the two my back pain is now almost nonexistent. I bought a second one for my desk chair at home as well and I really like how it conforms to my body. The only negative I can say about it is that I am very small and the cushion is very wide, so I have to constantly readjust it so that I am centered on it. It’s more annoying in the car than on my desk chair. ..More