These mats are recommended as an indoor mat, but substitutes as an outdoor mat in warm to moderate climates. The bi-level construction allows dirt & debris to get trapped below the walking surface & off your floors. The polypropylene carpeted surface makes this a scraper to remove debris & also a wiper to help trap moisture. The non-slip all-rubber cleated backing provides a secure gripping action to carpets & hard surface floors. The beveled edge border helps contain the dirt & moisture & helps reduce the chance of slips, trips & falls. Easy-to-clean & maintainjust shake out, vacuum, hose & dry or clean with a light carpet cleaning machine. Mat Type: Wiper Mat; Application: Indoor; Width: 36"; Length: 60".