Features. Designed for users up to 500 lb. including chair weight this heavy-duty polycarbonate chairmat is ideal for maintaining all areas of the home and workplace.. Transparent finish allows the natural beauty of wood flooring or a carpet design to show through while shielding the covered surface from damaging wear and tear.. Use this Cleartex Megamat Chairmat for hard floors and all pile carpet applications.. Polycarbonate material will not crack curl dimple or small in normal use.. Color - Clear