The lateral file cabinet by FireKing has a 1-hour class 350 fire rating and an Impact UL label. It's been tested against 1 hour of exterior fire exposure at 1700ºF, a 2000ºF explosion, and a 30 FT drop. It is water resistant and it comes with a high-security key lock. It's available in different sizes, colors, and it's guaranteed by a limited lifetime warranty.