Marble Sof-Tyle Grande is an anti-fatigue floor mat provides the ultimate in comfort and ergonomic support at a full ONE-INCH thick. The stylish smooth marble-pattern design complements any décor and the durable rubber top surface is easy to sweep clean or damp mop. The top surface is combined with a dense closed cell foam base utilizing Notrax® exclusive UniFusion technology, this virtually eliminates the possibility of de-lamination. All Notrax® laminate floor mats come standard with RedStop, a uniquely engineered non-slip backing technology that eliminates the slipping and sliding of floor mats on smooth surface flooring such as tile, wood, marble, and treated concrete.