Scrusher Shoe Scrapers clean your entire shoea"both sides and bottom. Eliminate dirt, mud, grime, and snow from entering your facility. Side bristles are constructed of soft poly that wont scratch your shoes. Bottom bristles are made of stiff nylon that thoroughly cleans the soles. Steel base has rubber stops that protect floors and prevent unit from slipping. Black finish with maple trim; black base. 5-year warranty on steel frame.