The main purpose of indoor floor carpet is to be tarnished, reliability is the main element that need to invariably be there. Lots of indoor outdoor mats get worn out over months of use thanks to frequent usage. Outdoor entrance mats are priced at about $50 and others range from $18 to $30 apiece. Indoor outdoor carpet is cheap at stores like Costco. They are also available at department stores like Walmart. Some types mats you can choose from include rubber, aluminum, and cast iron. They each have their positives and negatives when it comes to mold resistance and fading during the different seasons.