Choose this backpack when flexibility is essential. The all-around zipper, magnetic water bottle pockets, RFID-protected storage, and hidden pockets are just a few of the remarkable features of this backpack. With the patented strap system, you can easily switch from a regular briefcase to a backpack. Everything has its place, with compartments for valuables, chargers, cables, tech gear, notebooks, and documents. The backpack can be expanded from 20L to 24L to create additional space. Backpack or briefcase? With the convertible carrying option, you can wear the bag as a backpack or carry it as a briefcase. Made from durable, waterproof material.