The ultimate chairmat for the heavier user. Tested to 500 lbs. Extremely durable polycarbonate will not crack, curl, cup, discolor or smell and is virtually unbreakable in normal use. Easy glide ergonomic surface. Clear construction allows the beauty of flooring to shine through. Free of PVC, phthalates and all toxic chemicals. 100% recyclable and produced using 30% renewable energy. Mat Type: Chair Mat; Application: Carpets/Hard Floors; Width: 46"; Length: 60".