Hog Heaven III Comfort Linkable Mats provide a customizable matting solution for large areas (long runs). They offer outstanding anti-fatigue qualities and perform in various environments including those with oil, grease, and chemicals. High-density, closed-cell nitrile rubber cushion provides excellent anti-fatigue qualities to reduce the pain and fatigue associated with standing for long periods of time. Beveled edges provide a safe transition from floor to mat and will not crack or curl. Nitrile-blended cushion provides years of useful life and is molded, not glued, to the nitrile rubber surface so it will not separate. Welding safe; grease/oil resistant*; chemical resistant; ESD rating of electrically conductive.