Sumac Office/Home x1 Clear Vinyl Carpet Chair Mat 36" x 48" 2mm Rectangler with Lip Straight Edge and Gripper, Office Set x1 Carpet Chair Mat with Lip. Approximate dimensions 36" x 48" Designed to prevent against wear and tear caused by office chair casters Commercial grade chair mat designed with durable long lasting vinyl material. Allows your office chair to move freely while carrying out daily tasks, helping considerably reduce the risk of leg fatigue. Studded underside holds the mat firmly in place | Suitable for use on low and medium pile carpets (Max. pile: 0.2")