Interlocking Antifatigue Mat Tile, Anti-Slip Surface Yes, Anti-Slip Backing Yes, Number of Tiles 8, Washdown Safe Yes, X-Ray Detectable No, Width 18 in, Welding Safe No, Thermally Insulating Yes, USDA Certified No, Thickness 3/4 in, Surface Texture Raised Pattern, Surface Material Nitrile Rubber, Series 570 De-Flex(R) Niru(R), Surface Design Diamond Plate, Number of Interlocking Sides 4, Reversible No