The ultimate in quality, clarity, durability and ergonomic performance for home and office floor protection..Produced from 100% virgin Original Floortex Polycarbonate for ultimate performance and durability.Polycarbonate does not curl, crack, discolor or smell under correct application.Twice the impact strength of PVC for a rigid easy glide surface for maximum ergonomic performance.High clarity to allow the beauty of your flooring to shine through.Free of phthalates, tin, lead and cadmium content.Manufactured using 25% renewable energy.Gripper back for low/medium pile carpets up to 0.5" thick.