Deflecto Execumat Clear Chair Mat, High Pile Carpet Use, with Lip, Beveled Edge, 45" x 53", Clear (CM17233COM) Protective clear vinyl chair mat prevents wear and tear on your chair and extends carpet life Chairmat durably built for frequent daily use, more than 6 hours per day, over low, medium, or hile pile carpeting Studded bottom chairmat surface provides Superior, non-skidding gripping power over carpet. Extended lip provides protection while your chair is rolled under your desk Smooth beveled edge enables Easy carpet to chairmats transition at home, Office or any commercial environment.Free and clear non-phthalate, non-cadmium Material formula promotes a healthy work environment, while offering exceptional clarity and durability Extra-thick, intensive, all-day use chair mat for carpets over 1/2'' thick, plush or high pile