"This First Alert 1070 cu. in. UL classified media protection file chest has been tested to withstand an external temperature up to 1550F for 1/2 hour and independently verified to protect electronic media, such as memory sticks, CDs, DVDs and external hard drives. Waterproof even when fully submerged. Cubic Inches 1,070, Lock Type Latch and key, Material Steel, Dimensions W x D x H in. 16 1/8 x 13 x 12 3/4, Door Thickness mm 25, Fire Protection F Withstands an external temperature up to 1550F for 1/2 hour, Keys Included qty. 2, Mount Type Portable, Product Style Disaster resistant safes, Waterproof Yes. Stores standard letter size hanging file folders 8 1/2in. x 11in. Protects electronic media memory sticks, CDs, DVDs and external hard drives After fire replacement guarantee UL classified Inside dimensions 12 5/32in.W x 8 9/16in.D x 10 1/4in.H Waterproof"