The Sentry Waterproof Fire-Safe Chest is perfect for keeping your important items & documents safe from a number of threats. This jumbo model features a new & enhanced capacity of over 18 litres, meaning you now have even more space available for your important possessions. This safe is waterproof for 72 hours when fully submerged, & features 30 minute fire protection for your paper documents & other items of value. These water & fire safety measures are tested by ETL (Environmental testing laboratory) & UL (Underwriters Laboratory) respectively, proving this Sentry Safe's reliability & durability in the face of disaster. 30 minute fire protection for paper documents, CDs, DVDs, USB (Universal Serial Bus) drives & other digital media ETL & UL certified up to 843°C Waterproof for 72hrs fully submerged Capacity: 18.6 litres External: W372 x D441 x H384mm Internal: W305 x D206 x H295mm