【STORAGE SPACE&POCKETS】One separate laptop compartment hold 15.6 Inch Laptop One spacious packing compartment roomy for daily necessities, tech electronics accessories and a bunch of other items, make your items organized and easier to find. 【FUNCTIONAL】A luggage strap allows backpack to fit on luggage/suitcase, slide over the luggage upright handle tube for easier carrying. Well made for international airplane travel and day trips as a travel gift for men. 【USB PORT DESIGN】With built in USB charger outside and a built-in charging cable inside, this USB backpack offers you a more convenient way to charge your phone while walking. It’s a great tech gift for him from wife, daughter and son. Please noted that this backpack doesn’t power itself, the USB charging port only offers easy access to charge. When clean the backpack, remove the USB charging line. 【 WATER-RESISTANT & DURABLE MATERIAL】Made of Water Resistant Fabric and Durable metal zippers. Ensure secure & long-lasting usage everyday & weekend. Serve you well as a professional office work bag, slim USB charging bagpack, college high school big student backpack for boys, girls, teens. 【CONVENIENT STORAGE】Laptop backpacks front side zipper pockets, easy for holding a water bottle, readers and a bunch of other items, iPad, journal, pens and pencils, iPhone. Notebook Computer Bag Side pocket accommodates compact umbrellas and other small items.