The Honeywell legal size waterproof 1 hour fire file chest (1.1 cubic feet) with a wheel cart is a UL class 350, which provides protection from fire for 1 hour up to 1700° / 927°C. Dual compression latches and safety hinges. Waterproof up to 48 hours in 39" / 1 m depth of water. Space fits letter, A4 and legal size hanging files folders protect paper documents and digital media. Includes sturdy wheel cart for ease of moving. Backed by a 7 year limited warranty and a lifetime after-fire guarantee.