Deflecto Clear Chair Mat, Carpet and Hard Floor Use, Straight Edge, 46" x 60", Clear (CM23442FDUOCOM) Protective clear vinyl chair mat prevents wear and tear on your chair and extends carpet life Perfect chairmat for ongoing daily usage at home, Office or any commercial environment Non-studded bottom chairmat surface provides Superior, non-skidding gripping power over hard surface floors Straight edge enables seamless transition from chairmats to hard floor surface Free and clear non-phthalate, non-cadmium Material formula promotes a healthy work environment, while offering exceptional clarity and durability