Advantus RecyClear Chair Mat for Hard Floors, Recycled, 45 x 53 Inches with 25 x 12 Inch Lip, Clear (AVT40221) Clear mat made using 100% post-consumer recycled PET material from water bottles, soda bottles and packaging PVC and BPA-Free 45 x 53 inches with 25 x 12 inch lip 1.7 mm thick for use on hardwood, linoleum, vinyl or tile All of the features of polycarbonate mats, but 20% less cost