SentrySafe 1170 Fireproof Box with Key Lock 0.61 Cubic Feet Fireproof box is UL Classified to endure 1/2 hour at 1550F to protect irreplaceable documents and valuables from fire Fire safe box is ETL Verified to protect CDs, DVDs, and USBs from fire damage Fireproof lock box features a flat key lock to prevent the lid from opening in the event of a fire; includes two keys Document safe accommodates letter-size hanging files for easy storage of passports, social security cards, and birth certificates (sold separately) Exterior: 15.3 in. W x 12.1 in. D x 13.6 in H; Interior: 12 in W x 8.5 in. D x 10.4 in. H; large capacity 0.61 cubic feet; weighs 28 pounds