The Honeywell 1108W 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 a fire for 1 hour up to 1700° / 927°C. Dual compression latches and safety hinges. Waterproof up to 48 hours in 39 inches / 1m depth of water. Space fits letter, A4 and legal size hanging files folders, protects paper documents and digital media. Includes sturdy wheel cart for ease of moving.