Cleartex Advantagemat Chair Mat for Carpets 3/8" or Less, Clear PVC, Rectangular with Lip, 48" x 60" (FR1115226LV) Advantagemat protects home and office carpets from spillages, scuffs and dirt from footwear and the damage caused by chair casters Advantagemat PVC chair mat is made from the highest quality ingredients for a long-lasting, durable chair mat; this mat is clear, to allow your flooring to show through - it won't look intrusive in your office or home Produced using 30% renewable energy and up to 25% recycled content Chairmat provides ergonomic benefits for chair users - allows an easy-glide movement to reduce leg fatigue Gripper back ensures stability on standard pile carpets (3/8"or less); rectangular with lip; 48" x 60" (lip size: 25" x 12"); mat size may vary slightly due to manufacturing process