Really reduces pressure on your seat.
I purchased this for my office chair at work. I'm a large guy, and after sitting for several hours, my tailbone hurts. I've purchased other (cheaper) cushions before that just didn't do it. I figured maybe you'd get what you pay for, so I decided to give this a try. It's quite heavy, but that's one of the reasons it works so well. It has greatly relieved the stress on my rear end. As my chair seat slants slightly forward, this cushion slides forward as well if I move around a lot, but when I get up, I just push it back where it belongs - no biggie. In my situation, the office even reimbursed me for it when they discovered I'd purchased it. I guess it was cheaper than them having to buy a better chair.
Rating: 5 stars