Thin chairmat with a lip is designed for low-pile carpeting without padding. Studded backing grips the carpet for secure hold. Straight edge allows smooth, on-and-off chair movement. Chairmat offers floor protection for industrial-grade carpets up to 1/4". Highest-quality materials result in maximum transparency. Free and Clear formula produces an exceptionally clear mat that is nonphthalate, noncadmium, BPA-free and lead-free. Lip measures 25" wide x 12" long.