Advantus RecyClear Chair Mat for Hard Floors, Recycled, 36 x 48 Inches with 20 x 12 Inch Lip, Clear (AVT40211) Clear mat made using 100% post-consumer recycled PET material from water bottles, soda bottles and packaging PVC and BPA-Free 36 x 48 inches with 20 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