Durable vinyl floor protection, chair mat provides a tough and long-lasting floor protection solution. Protects carpets from chair caster damage, general wear, scuffs, dirt and spills. Easy glide rolling surface for ergonomic comfort in use. High clarity to allow carpets to show through. Free of phthalates, heavy metals and BPA for peace of mind when used around children or pets. Gripper back for stability on low pile carpets up to 6mm thick.