Waterproof Backpack with Multifunctional External USB Charge Port Laptop BagOverview 1. With a business casual exterior, this pack is made for all purposes of the day. From bringing your laptop to the office to international work trips, you are covered with all the essentials. 2. This bag is made to hold with style from inside out. With roomy compartments for all you need to bring on your daily activities especially for your laptop, you are equipped to take on both fun and work that takes place throughout the day. Charged: 3.