Staples 36" x 48" Low Pile Carpet Chair Mat Lip 20229-CC - Walmart.com
46" x 60" Office Chair Mat for Low Medium Pile Carpet, Office Carpet Chair Mat,Transparent Non-slip Carpet Protecor Mats with Grippers for Work, Home, Gaming - Walmart.com
Amazon.com: ES Robbins Extra High Pile Chair Mat, Rectangle with Lip, 36"x48" Beveled Edge : Office Products
Amazon.com : Staples 823767 36-Inch X 48-Inch Medium Pile Carpet Chair Mat Lip : Office Products
TrafficMaster 36 in x 48 in Clear Chair Mat with Lip for Low Pile Carpet 05110000HD-4RF - The Home Depot
Amazon.com : ES Robbins EverLife Intensive Use Chair Mat for High Pile Carpet, Rectangular, 46 x 60, Clear : Office Products