SentrySafe CHW20221 Fireproof Box and Waterproof Box with Key Lock 0.28 Cubic Feet Fireproof box is UL Classified to endure 1/2 hour at 1550F to protect irreplaceable documents, small valuables, DVDs, and USBs from fire 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 tubular key lock for added security and to prevent the lid from opening in the event of a fire; includes two keys Document safe features built-in straps for easy storage of passports, social security cards, and birth certificates; fire box holds A4 size paper Exterior: 15.4 in. W x 14.3 in. D x 6.6 in. H; Interior: 12.8 in. W x 8.5 in. D x 4.4 in. H; medium capacity 0.28 cubic feet; weighs 20 pounds