For use with low pile carpet such as loop/berber style up to 3/8″ thick including padding. For moderate office use. Exclusive AnchorBar chair mat cleats hold firmly in place, yet are gentle on carpet and fingers. Crystal Edge creates a smooth finished edge while providing effortless roll on/off mat. Standard Pile Carpet Mat with Crystal EdgeProtects low pile carpet up to 3/8″ thick, including padding. For moderate office use. Mat Type: Chair Mat; Application: Carpets up to 3/8″ thick (including padding); Width: 46″; Length: 60″.