It could be an inch bigger or thicker, I am 6″1 and I find the cushion does not cover my entire chair seat, an inch longer will be perfect. Now I can continue my 8 hours gaming runs without getting a back sore. For £20, it is a bargain.
https://www.amazon.com/TuoBaks-Cushion-Sitting-Pressure-Tailbone/dp/B08M9747SS

