Floortex Cleartex Revolutionmat Polypropylene, Rigid top surface with low roll resistance for a “easy-glide” chair movement. Cleartex polypropylene mats are guaranteed not to crack, chip, cup or shatter under normal use and correct application. Compatible with under floor heating systems. Not sensitive to alkali-based cleaning products used at their manufacturer-recommended concentrations. Easy and effective recycling properties for end-of-life re-use. Odorless and toxin free. BPA, PVC, tin, lead and cadmium free. Manufactured to ISO-9001:2000, EN 425:2002 and EN 423:2001 standards. 48" L x 36" W x 0.09" D