Comfort Flow™ is a flow-through mat with excellent anti-fatigue properties designed for wet areas where grease, oil, and chemicals may be present. Comfort Flow mats are made with a durable nitrile rubber foam that features an anti-microbial treatment designed to help prevent odors. The high-density closed cell nitrile rubber provides excellent anti-fatigue qualities to help reduce leg and back pain caused by standing for long periods. Comfort Flow mats have a flexible design that makes them easy to handle and clean, and the durable nitrile rubber construction can withstand commercial laundering. These mats are grease and oil proof, chemical resistant, and provide excellent traction even in wet environments. Please note, mat sizes are approximate as rubber shrinks and expands in conjunction with temperature and time. Tolerable manufacturing size variance is 3-5%. CLEAN | Drainage holes allow liquid to flow through; lifetime anti-microbial treatment prevents odors and degradation of the mat SAFE | Beveled edges provide a safe transition from floor to mat; certified high-traction by the National Floor Safety Institute (NFSI) COMFORTABLE | High-density closed-cell nitrile rubber cushion provides excellent anti-fatigue qualities VERSATILE | Grease and oil proof; chemical resistant; welding safe EASY TO CLEAN | Lightweight flexible design ensures easy handling and cleaning; can also withstand commercial laundering MADE IN USA | 3' x 5' mat measures 34" x 56". Please note, mat sizes are approximate as rubber shrinks and expands in conjunction with temperature and time. Tolerable manufacturing size variance is 3-5%.