Does not stay in place on our carpet. I finally tucked the edges under the desk and the weight of desk holds it in place. Fortunately this was at a desk where I can do that.
Chair mat ’s basic purpose is to protect carpet from wheels of desk chair. I spend more time readjusting the mat than working at my desk. We have an area rug that covers most of our office/den. The prongs on the bottom of the chair mat evidently do not stop the mat from moving as much as 12-15 inches away from it’s initial position so we simply pretend it’s a play date for my carpet and let the two of them enjoy themselves. Actually it’s rolled up and not in use and I don’t have time to return it at the present so they chair is back on the carpet where it started from.
It does the job I guess but my carpet is to thick so this one is to thin. My chair wheels still sink making it hard to scoot the chair around. Should of bought a thicker one.