Notrax Pebble Trax Grande Black 1″ Dry SafetyAnti-Fatigue Mat measuring 3′ X 5′ offers ultimate comfort and ergonomic support. Mat has pebble-embossed resilient rubber top surface and finds use in harshest dry environments such as assembly lines, lab areas, machine workstations and packaging areas. It features a dense closed cell foam base with NoTrax exclusive UniFusion bonding technology that eliminates the possibility of de-lamination. It has a uniquely engineered technology RedStop to eliminate slipping and sliding on all types of smooth floor surfaces such as vinyl composite tile, painted or epoxy-coated concrete, vinyl sheet flooring, carpet and ceramic tile. It has sloped beveled foam on all 4 undersides and provides easy access onto and off of mat. It gives easy cleaning. It is certified by the NFSI.