This is a nice chair mat for the price. It works just fine but I will say it is a bit thinner than other mats I've had. It has developed slight dents/grooves where the chair wheels sit so I have to give a push sometimes to get my chair to roll free. I have this mat over an area rug so maybe this wouldn't be an issue if you are using the mat on solid flooring rather than carpet. Overall I would recommend and buy again for the price.
After the first time I sat in the chair in front of my computer the chair left notches in the surface of the chair mat. I guess I should have gotten a mat with a harder surface.