Features nitrile foam designed to withstand grease, oil, and chemicals. They are anti-microbially treated to prevent odors. Comfortable 7/16" nitrile foam provides excellent anti-fatigue properties. Anti-microbial treatment provides lifetime protection from odors and degradation. Beveled edges provide a safe transition from the floor to the mat, certified high-traction by the National Floor Safety Institute (NFSI). Grease/oil proof, chemical resistant, welding safe. Flexible construction makes this mat easy to clean, can be autoclave sterilized.