Got this for my office chair and it was great for first couple of days. However, after a couple of weeks it is not at firm as it was. However, it has eliminated the pain between my shoulders which is why I ordered it. Main issue is it gets flat as day progresses, but for the price, you get what you pay for and that is why I give it four stars. It is fine, but not if you are looking for firm, consistent support to last all day ..More