I sit in a chair on top of mat for 8-9 hours a day. Do a little rolling around on it but otherwise pretty stationery. Not had mat all that long so I'm not sure about the durability. Looks nice and is providing the service that we need for now.
I have a wool hooked rug under my desk and the desk chair would not roll very easily which was frustrating - who wants to get up off their chair to move it when you're busy on the computer? This mat is perfect! The chair rolls easily the grippers on the mat keep it in place ALWAYS (but hasn't damaged the rug at all!) it's clear so you can still see the rug design underneath the mat and it's heavy enough that the mat does not bunch up or crinkle. Also appears that it will last a long long time. :)
I am using this mat on a carpet that is minimal and installed over concrete. It still gives under the rollers. It is just not heavy enough to be used as a floor mat. I bought this because of its size but I am better off not using it. I would not even recommend this mat to an enemy let alone a friend. Do not buy this mat!
With coupon I bought 3 of them at a reasonable price. I use them all and it was cheaper than Sam's Club. If you have the best price you get my business and with the $25 coupon you had the best price