"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. Product Style Disaster resistant safes, Keys Included qty. 2, Fire Protection F Withstands an external temperature up to 1550F for 1/2 hour, Door Thickness mm 25, Cubic Inches 1,070, Dimensions W x D x H in. 16 1/8 x 13 x 12 3/4, Waterproof Yes, Lock Type Latch and key, Mount Type Portable, Material Steel. 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"