The Bankers Box Heavy Duty Portable File Box provides organized and secure storage and transport of letter-size documents. Made with durable plastic construction, the Portable File features reinforced corners for added strength. Modular design for easy stackability. Lid also features a handy organizer compartment. Built-in hanging rails keep letter-sized files organized and accessible. Comfortable handle offers easy lifting and the latching lid ensures secure transport. TAA compliant.