Polycarbonate Chair Mat for Carpets This strong & transparent polycarbonate carpet mat is the ideal solution to protect your flooring from wear & tear & to preserve the value & appeal of your home or office. It protects carpet floorings from damage & enables you to easily & smoothly roll from task to task in your workspace or home. This chair mat is designed for carpet floor protection. It features a gripper backing that holds the mat safely in place without damaging carpet flooring. This chair mat is not suitable for hard floors (e.g. laminate, hardwood). Follow this link if you are looking for a chair mat for hard floors. PRO Series chair mats for carpet floors are made from high-quality polycarbonate. They are 100% PVC-free which makes them not only the best choice from an environmental & health perspective but also much more transparent & durable than PVC chair mats (Guide to Chair Mat Materials).