For indoor vestibule and lobby with heavy traffic of over 1500 people per day. Elegant 2 tone and bi-level pattern allowing it to stay visible for a long period of time. Looks like new longer than regular berber pattern. Low-melt treatment keeping surace stronger and harsher for a long time. Thick ThermoGrip[TM] backing for slip-resistance properties. 3/8" thick, polypropylene needlepunched surface.