Bests & Worsts Reviews from Amazon

I bought this product based on its good reviews and that it appeared to be made of gel rather than foam--afterall, it is called "Gel seat cushion." I figured it would be the same gel material foudn in the jelly wrist rests for the keyboard and mouse and wouldn't compact the way foam does. I took the cover off--it is ALL FOAM in there. Thsi is a problem for me because the foam just compacts and then I end up with pressure on my tailbone. Maybe I'm just too skinny and my weight doesn't disperse right across the foam cushion so I just sink down. I still have tailbone pain using this FOAM cushion.