As part of a premium collection of floor protection, the Cleartex XXL Ultimat Chairmat is ideal for maintaining all areas of the home and workplace with its quality, clarity and durability. Transparent finish allows the natural beauty of hard floors and low/medium pile carpets to show through, while shielding the covered surface from damaging wear and tear. Smooth backing will not mark your hard floors. Rectangular chairmat is made of 100 percent recyclable, crystal-clear polycarbonate that does not curl, crack, discolor or smell. Mat offers a thickness of 1.9mm.