Fireproof box is UL Classified to endure 1/2 hour at 1550°F to protect irreplaceable documents and valuables from fire | Fire safe box is ETL Verified to protect CDs, DVDs, and USBs from fire damage; Material: Captured Fire Insulation | Fireproof lock box features a flat key lock to prevent the lid from opening in the event of a fire; Includes 2 keys | Document safe accommodates letter-size hanging files for easy storage of passports, social security cards, and birth certificates (sold separately) | Exterior: 15.3 inch W x 12.1 inch D x 13.6 inch H; Interior: 12 inch W x 8.5 inch D x 10.4 inch H; Large capacity 0.61 cubic feet; Weighs 28 pounds. Peril Type: Security, Fire