Ultra clear mat designed to preserve and protect the beauty of laminate, wood, tile and other hard flooring. Special texture on the underside reduces mat movement and keeps mat securely in place. Protects against wear and tear of chair casters. Engineered for optimum clarity, high performance and a smooth effortless roll. Thicker mat for heavier use, ideal for tile. Crystal Edge. Mat Type: Chair Mat; Application: Hard Floor; Material(s): Vinyl; Style: Lip.