The plastic is too thin I’d sit and the wheels sink into the carpet. Whole purpose of buying it was to be able to easily roll the chair but it was easier to do that on the carpet. Returned it after a few days.
I had bought one of these years ago and now that I have been working from home for the past 7 mos. I wore it out. It had holes and cracks and was a little dangerous. I ordered the same mat and it came next day and I am again sliding easily and without danger