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. Mat Type: Chair Mat; Application: Low Pile Carpets up to 0.38" thick (including padding); Width: 45"; Length: 53".