Up to 5 times the fire resistance of an insulated metal box. Compact organization for home or office. Key lock closure for privacy. The best selling multipurpose Sentry chest worldwide. Convenient carrying handle. Exterior dimensions: 6-1/8" H. x 14-1/4" W. x 11" D. Interior dimensions: 3-1/2" H. x 12" W. x 7-3/4" D. UL fire rating 1/2 hour. UL explosion hazard test. Sentry 1 year limited warranty and 3 year after fire replacement guarantee.