Anti-Fatigue, Slip Resistant for Wet & Dry Conditions Indoor or Outdoor use. High density closed cell Nitrile rubber cushion has 15% recycled content. Grease and oil proof, chemical resistant. Welding safe and static dissipative. Beveled edges for safe transition from mat to floor. Lifetime anti-microbial treatment to prevent odors and degradation of the mat. Comfort Flow has drainage holes to allow liquids to flow through. Light weight and flexible for easy handling and cleaning. Recommended for kitchen applications.