STOPS DIRT AT THE DOOR | Bi-level surface effectively scrapes dirt and moisture from shoes, trapping it beneath shoe level to prevent tracking KEEPS FLOORS DRY | Water dam border holds moisture, keeping it off your floors; Water Hog mats can hold up to 1 ½ gallons of water per square yard DURABLE, FADE & STAIN RESISTANT | Reinforced rubber nubs prevent pile from crushing and extend the performance life of the mat; solution-dyed polypropylene* fabric is resistant to staining, dries quickly, and will not fade or rot SAFE | Beveled edges provide a safe transition from floor to mat; certified high-traction by the National Floor Safety Institute (NFSI) MADE IN THE USA | Please note, mat sizes are approximate as rubber shrinks and expands in conjunction with temperature and time. Tolerable manufacturing size variance is 3-5%. All Water Hog mats are Prop 65 compliant.