3-in-1 Multi-Purpose: Briefcase Transforms ,Sleek and versatile design, the bag is convertible for use as briefcase, messenger bag, or backpack depending on need and carrying preference. Resistant Design: Made with water and weather resistant thick fabric with heavy duty and hardware and zippers for maximum durability and protection. Extra Protection: Padded laptop compartment and interior to provide extra cushion for electronic accessories. Travel safe lockable zipper for protection against laptop theft.