ANTIFATIGUE MAT, ANTI-SLIP BACKING YES, NUMBER OF BORDER STRIPES 0, RESISTANCE PROPERTIES INSULATION, TEAR RESISTANT, WEAR RESISTANT, X-RAY DETECTABLE NO, WIDTH 4 FT, USDA CERTIFIED NO, WELDING SAFE YES, WASHDOWN SAFE NO, SERIES 890 RUBBER TOP, THICKNESS 1 IN, THERMALLY INSULATING YES, SURFACE MATERIAL NITRILE RUBBER, SURFACE TEXTURE RAISED PATTERN, NSF/ANSI 52 NO, REVERSIBLE NO, SURFACE DESIGN DIAMOND PLATE, NUMBER OF BEVELED EDGES 4, NFSI HIGH