Laptop Backpack for Men & Women with Waterproof, Travel/School Backpack with USB Charging Port & Headphone Interface, Slim Business/Work Computer Bag Fit 15.6 to 17 Inches Laptop/Notebook/DSLR COMFY & CONVENIENT: Comfortable airflow back design with thick but soft multi-panel ventilated padding, gives you maximum back support. A luggage strap allows backpack fit on luggage/suitcase' upright handle for easier carrying. Breathable and adjustable "S" curve shoulder straps relieve the stress of shoulder, Well made for international airplane travel and day trip WATERPROOF & STURDY: Water-resistent travel daypack is made from highly end and waterproof Polyester fabric, provide strengthen and long-lasting performance with minimal weight MULTI COMPARTMENTS: Business laptop backpack has 2 main pockets & 4 inner small pockets & 2 front pockets & 2 side pockets, multiple pockets keep your items well organized, provides a separated space for your Laptop, iPhone, iPad, pen, keys, wallet, books, clothes, bottle and more USB & HEADSET PORT: USB interface with built-in cable design, great convenience for charging your electronic devices via connecting your own power bank in the back pack. And the headphone interface frees your hands when enjoying audios, music, etc.(Power BANK IS NOT INCLUDED) SATISFACTION GUARANTEED: We are confident in the quality of our laptop backpack and offer a 30-day satisfaction guarantee! If you are unsatisfied, simply contact us to return the product for a full refund