One separate laptop compartment hold Super-thin 15.6 Inch Laptop as well as 15 Inch,14 Inch and 13 Inch Laptop. One spacious packing compartment roomy for daily necessities,tech electronics accessories. Front compartment with many pockets, pen pockets and key fob hook, make your items organized and easier to find. USB interface with built-in cable design, great convenience for charging your electronic devices via connecting your own power bank.