ZENY™ Upgraded 46" X 60" Office Mat Chair Mat, Heavy Duty Carpets for Hardwood Floor, Rug Carpet Floor Computer Desk Low and Medium Pile CarpetsAbout this item Ideal for Low Pile Carpet This office chair mat can keep your desk and computer workstation carpet surface safe from chair caster damage and protected from dust and moisture from footwear. Designed with cleat for low to medium pile carpets and rugs up to 1 2 inch thick Odor free& Nontoxic The rectangular chair mat is made of clear PVC, compared with vinyl and some other plastics, it is free of BPA & phthalates,tin, lead, and cadmium;