The four drawer file cabinet is part of the Turtle series by FireKing. It has welded steel drawer heads with insulation between the drawers making each one it's own separate insulated container. It has a 1-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, colors, and it's backed by a limited lifetime warranty.