Rigid top surface with low roll resistance for an easy-glide chair movement. Ecotex polypropylene mats are guaranteed not to crack, chip, cup or shatter under normal use & correct application. Compatible with under floor heating systems. Not sensitive to alkali-based cleaning products used at their manufacturer-recommended concentrations. Quickly unfolds for instant use. Also ideal for easy storage & lifting when cleaning of flooring underneath. Easy & effective recycling properties for end-of-life re-use. Odorless & toxin free. BPA, PVC, tin, lead & cadmium free. Mat Type: Chair Mat; Application: Hard Floors; Width: 45"; Length: 53".