Jumbo Cash Box w/Lock, Sand Fire-retardant steel security box with key lock protects valuables from fire Durable steel construction with double-insulated walls Lab tested at 750 degrees Fahrenheit Holds 9-by-12-inch documents to lay flat in bottom; includes lock with two keys Measures 12-2/3-by-10-19/20-by-4 inches (WxDxH)