SHRRADOO Anti Theft Laptop Backpack Travel Backpacks with 。?LOTS OF STORAGE SPACE&POCKETS: One separate laptop compartment hold 16.3 Inch Laptop as well as 15.6 Inch,14 Inch and 13 Inch Macbook/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(This item is not intended for use by people 12 years old and under) ?FUNCTIONAL&SAFE: A luggage strap allows travel laptop bag fit on luggage/suitcase, slide over the luggage upright handle tube for easier carrying. Tighten the breast strap can stabilized the center of the gravity of the backpack. Internal shockproof belt for fastening your laptop and iPad, preventing them from sliding and bumping ?USB PORT AND PASSWORD LOCK DESIGN: Equipped with a built-in USB charger and charging cable, this USB backpack provides a more convenient way for you to charge your phone while walking. Please Note that this backpack cannot be powered by itself. The USB charging port only provides a convenient charging method, and the unique password lock design provides your stuffs with security