Use this safe, extremely durable, and environmental alternative to traditional PVC chair mats. The high-quality plastic design utilizes the same materials used in the aircraft industry and the manufacturing of bullet-proof vests meaning it has high clarity, and impact resistance and is virtually unbreakable. The environmentally safe, PVC-free polycarbonate is completely free of any toxic chemicals. For better efficiency, the mats are easy to clean simply use soap and water. Ergonomic design provides minimal gliding resistance for chairs with casters.