This was the second mat I bought in the past 2 months: same size same color. This one however had no friction pins to keep it from slipping on carpet and the surface is softer allowing numerous dimples to form in the surface from the weight of the chair wheels.
I was surprised by this floor mat. I had it in my mind the hard acrylic mats that they have for carpets. This mat is designed for floors. It is thin yet distributes the weight of my roller chair. It is quiet and the chair doesn't mark the mat. I am very happy with this mat and would recommend it to others.