Small-Key-Locking-Fire-Water-Chest-Master-Lock-H0100-p-The-Master-Lock-H0100-Small-Key-Locking-Chest-is-waterproof-&-fire-resistant-It-has-a-sleek-design-with-a-flush-mounted-faceplate-&-rugged-look-p-p-It-conforms-to-various-classifications-p-p-UL-Classified-to-fire-endurance-1-2-hour-at-843-deg-C-to-ensure-the-protection-of-documents-records-&-valuables-in-the-event-of-a-fire-&-to-explosion-hazard-test-Subjected-to-a-flash-fire-in-a-1093-deg-C-furnace-for-20-minut