The Chair Mat is a high-performance mat designed for intensive use such as multi-shift or big & tall. The exclusive AnchorBar chair mat cleats hold firmly in place yet are gentle on carpet and fingers. This mat protects against wear and tear from chair casters, and it is engineered for optimum clarity, high performance, and a smooth, effortless roll.Specifications. Dimensions: 45x53 inches. Color: Clear. Material: Vinyl. Shape: Lip. Backing Type: Cleated. Edge Type: Straight. Thickness: 0.145 inches. Weight Capacity: Up to 200 lbsFeatures. Exclusive AnchorBar chair mat cleats hold firmly in place yet are gentle on carpet and fingers. Protects against wear and tear from chair casters. Engineered for optimum clarity, high performance, and a smooth, effortless roll. Designed for intensive use such as multi-shift or big & tall