The 3 drawer fireproof file cabinet features heavy-duty steel construction with 100% Gypsum insulation that is reinforced by an internal grid of galvanized welded steel wire. 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 with your choice of finish, Brown shown. Quality guaranteed by a limited lifetime warranty.