Superior Manufacturing NoTrax Dura Trax Black 9/16" thick Safety/Anti-Fatigue Floor Mat with yellow border measuring 3' X 75' features Durable rubber diamond-plate design that offers non-directional traction, slip resistance and easy cleaning. Mat has rubber top surface with a dense sponge backing with UniFusion? bonding process abolishing the possibility of de-lamination, enhances ergonomic benefit and worker comfort. It has beveled foam with 4 sealed sides to limit tripping hazards and resist moisture penetration and finds application in packaging stations, lab areas, assembly lines, machinist work areas and other heavy-duty dry work areas. Mat comes with RedStop? technology that eliminates the slipping and sliding on all types of smooth floor surfaces such as painted or epoxy-coated concrete, vinyl composite tile, vinyl sheet flooring, carpet and ceramic tile. It is certified by the NFSI.