Large Capacity: One separate laptop compartment fits 17.3 inch Laptop as well as 15.6 inch, 14 inch and 13 inch Laptop. One spacious main compartment fits magazine, light clothes or travel supplies. Besides, the travel backpack owns a lot of independent pockets for large storage and organization for small items, hidden zipper pockets for additional anti theft protection on the back of the backpack. USB Charging Port Design: The laptop bag comes with a charging port you can link your phone to and easily charge during outdoors and travel. Place your power bank inside the bag and connect your phone to the outer port (built-in charging cable inside). Please note that this travel bag doesn't power itself, usb charging port only provides easy access to charge.