The 4 drawer file cabinet is made from heavy-duty steel and it has fire-resistant insulation that's reinforced by an internal grid of galvanized, welded steel wire. It has a 2-hour class 350 fire rating, 30 ft. UL impact rating, and a 30 minute ETL fire rating for digital media. It's available in different sizes with your choice of color, Arctic White shown. Quality backed by a limited lifetime warranty.