This Honeywell 1104 Waterproof Fire Chest is an ideal was to store and protect your valuables important papers and digital media from fires. It is rated as UL class 350 which gives one hour of protection at 1 700 degrees Fahrenheit (or 927 degrees Celsius). This Honeywell fire water chest is waterproof for 24 hours at a depth of one meter or 39 . It will fit letter A4 and legal size documents flat inside of the .39 cubic foot interior space. This Honeywell Fire Chest 1104 offers dual compression latches to ensure water tightness. It comes with a key lock to ensure privacy and two keys. It has a heavy-duty construction for durability. The lid has special hydraulic hinges to prevent fingers from getting caught when closing. It guards against emergency sprinklers and floods and other forms of water damage. This Honeywell Waterproof Fire Chest has been rigorously tested by independent labs for quality.