Re-engineered with added weight for extra durability. Classic commercial mat with an absorbent needle-punch carpet surface. Reinforced raised molded pattern scrapes dirt as well as moisture, keeping water below shoe level. Long-lasting, phthalate-free rubber backing and border keeps moisture in the mat and away from indoor flooring. Polypropylene carpet won't fade and dries quickly. Holds 1.5 gallon in water per square yard keeping moisture and dirt from entering the building. Manufactured with no underside grippers providing more area-to-surface contact with the floor.