Four years of comfort.
5' 8", 180lb. old guy --  I've used this cushion on a basic IKEA desk chair for the past four years and it's been very comfortable during all the hours I spend on my computer everyday.  I'm not looking for support or pain relief just cushioned comfort and the Purple serves that purpose perfectly and it's as effective today as it was wen I got it Feb. 2019.
Rating: 5 stars