Cleartex Megamat Heavy-duty Chairmat is designed for users up to 500 lb. including chair weight. It is made from Original Floortex Polycarbonate for the ultimate in durability and performance. Transparent finish of the rectangular mat allows the natural beauty of hard floors or carpets to shine through while protecting surface from damaging wear and tear caused by chair casters. Polycarbonate material will not crack, curl, dimple or smell in normal use. 100 percent recycled chairmat is manufactured using up to 30 percent renewable energy. Smooth back is ideal for use on both hard floor and all pile carpet applications. Mat is Green Guard Indoor Air Quality Certified.Cleartex Megamat Heavy-duty Chairmat is designed for users up to 500 lb. including chair weight. It is made from Original Floortex Polycarbonate for the ultimate in durability and performance. Transparent finish of the rectangular mat allows the natural beauty of hard floors or carpets to shine through while protecting surface from damaging wear and tear caused by chair casters. Polycarbonate material will not crack, curl, dimple or smell in normal use. 100 percent recycled chairmat is manufactured using up to 30 percent renewable energy. Smooth back is ideal for use on both hard floor and all pile carpet applications. Mat is Green Guard Indoor Air Quality Certified.