Waterproof Fire-Resistant File, .28 ft3, 15 1/2 x 14 3/8 x 6 5/8, Charcoal Gray, Sold as 1 Each Waterproof fire-resistant chest with tubular key. UL Classified for Fire Endurance (1-hour at 1550?F/843?C), to ensure protection of documents, records and valuables in the event of a fire. ETL Verified for 1-hour fire protection of digital media up to 1550?F/843?C in the event of a fire. ETL Verified for water submersion to protect valuable items and documents from flood damage. Tubular key provides added security for your documents and valuables and prevents the lid from opening in the event of a fire.