SentrySafe H0100 Fireproof Waterproof Box with Key Lock, 0.17 Cubic Feet, Black Fireproof box is UL Classified to endure 1/2 hour at 1550F to protect irreplaceable documents, small valuables, DVDs, and USBs from fire; great holiday gift for new home owners, new parents, or newly married couples Waterproof box is ETL Verified for 72 hours of water submersion offering peace of mind in the event of a flood 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 allows for easy storage of passports, social security cards, and birth certificates; fire box holds A4 size paper Exterior: 14.3 in. W x 13 in. D x 6.1 in. H; Interior: 12 in. W x 7.4 in. D x 3.4 in. H; extra small capacity 0.17 cubic feet; weighs 17 pounds. While pressing down on lid with one hand, squeeze latch button with the other hand to open product