The mat's knobbies on the bottom are just right but it didn't flatten out all the way yet. I have had it a week. Took 2 days just to get the thing to unroll and then I had to point a heater at it. Maybe this summer it will finish flattening....
The mat is exactly what we needed to protect the carpet under our office chair. It is a great size good quality and stays in position. It was delivered quickly!
The matt looks like it does in the photos. The size was as expected. However it is so soft that my chair makes indentions so I sort of get stuck in a spot.
I have a plush carpet in my home office so I bought the Staples PlushMat Chair Mat to use with my desk and office chair. The wheels of the chair rides on the mat well enough; however sitting in the chair for long periods causes deep impressions in the mat which gets the wheels stuck. It’s somewhat annoying having to rock the chair back and forth to get out of the ruts but it would be harder to roll the chair on the carpet itself without the mat. Anyway as I said it works well enough depending on the deepness or plush of your carpet but I wish the mat was thicker to minimize the deep impressions/ruts. Ultimately I’d tentatively recommend that mat depending on how thick your carpet is.