If you are looking for a professional premium grade rubber cutting board, then the Notrax Sani-Tuff is what you need. Notrax Sani-Tuff will not absorb liquids or odors, crack, splinter, swell, or harbor bacteria. Sani-Tuff is also stain resistant. You can keep your knives sharper longer. Notrax Sani-Tuff will not dull blades. These cutting boards have been tested and certified by NSF International and are FDA Approved. You can find Notrax Sani-Tuff cutting boards in Commercial kitchens all over the USA. We also have sizes available that will work well in your home kitchen.