Thick, coarse mats outdoors entry doorways scrub Grime off sneakers before it can get in to the carpet. Substitute the mats when they begin to seem worn and flat.????? ??? ???????? ??????? ??? ??????? ?????????? ????? ???? ???? ????? ?????? ?? ???. ??? ????? ?????? ?? ????? ?? ???????. ???????? ????? ?????? ????? ????? ?? ???????.??????? ???? ?????