Description Features (CAPTURE DIRT, SAND and MOISTURE) The outdoor welcome mat features polypropylene material with patterned groove design that effectively scrape most dirt, mud, sand, snow and grime off your shoes or even your pets'paws. The raised fabric helps to trap excess dirt within its grooves while absorbing moisture, perfect for indoors or outdoors. (NON-SLIP and LOW PROFILE) Front door mat with rubber backing and special-designed beveled rubber border grip on any type of outside floor without worrying about slippery, slide, skid or leaving marks on the floor. (DURABLE and SAFE MATERIAL) The bottom of our floor mats made from tough and sturdy rubber. The natural rubber is nontoxic, odorless, and no odor. The polypropylene material on the surface is hard to fade or rot. Superb craftsmanship ensures the polypropylene surface adheres to the bottom without worrying about shedding. The entryway rug is ideal for families with kids and pets, which is safe enough to touch. The package is rolled up but it still can lay completely flat immediately.