Raised surface that scrapes dirt.Slip resistant in wet, greasy or oily conditions.Ideal for medium to heavy duty use areas, as an entrance mat, industrial mat or catering/food industry mat.Suitable for indoor/outdoor use.Contains water, dirt and grit, holding up to 2.6 litres water/m² or 1.5kg of dry dust/m².Easy to clean 100% Nitrile mat (machine washable) .Supplied with safety bevelled edges.Thickness: 6mm.