HON Workplace Tools Carpet Chair Mat with Lip, 36" x 48'', Clear (HONCM3648LS) | Staples
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
Staples 36" x 48" Medium Pile Carpet Chair Mat Lip 823767 - Newegg.com
SuperMat Frequent Use Chair Mat for Medium Pile Carpet, 36 x 48, Rectangular, Clear