Oculus by Dimex Polycarbonate Office Chair Mat for Carpet and Hard Floors, 36" x 48" x 0.06" Mat, Clear Mat for Office Chair, Protects Floors Under Home Office Computer Desk, Ships Flat :
Amazon.com : Premium Tempered Glass Chair Mat with Exclusive Beveled Edge | 36 x 46 Inch | The Ultimate in Office Elegance by Clearly Innovative : Office Products
Lorell Tempered Glass Chairmat - Floor, Pile Carpet, Hardwood Floor, Marble - 36" Length x 46" Width x 0.25" Thickness - Rectangle - Tempered Glass - Clear - Filo CleanTech
Lorell Tempered Glass Chair Mat (82833) : Amazon.ca: Home