★USB PORT DESIGN: With built in USB charger outside and built in charging cable inside,this usb backpack offers you a more convenient way to charge your phone while walking. Please noted that this backpack doesn't power itself, usb charging port only offers an easy access to charge
★WATER REPELLENT & MULTIPURPOSE: Made with tear-resistant DURABLE nylon fabric.Ideal for using as book bag, travel daypack; for daily use at school, work, weekend, outdoor holiday, outdoor activities, occasional travel, gyms, hiking etc. Nice size admirably suits college students, teen girls boys and adults.
★Comfort: honeycomb mesh sponge breathable back pad form a suspension system, for maximum support and ventilation; thick breathable mesh padded adjustable shoulder straps with chest strap buckle.
★ Imported nylon zipper, 200000 times without fault .Precision Ergonomic Design: Two "S" Curve Padded Shoulder Straps, Offers Light-Weight Carrying And Of Force Reinforcement.
★ Larger Capacity: The laptop backpack up to 18.9x12.6x7.1 inch with dedicated Laptop compartment holds, multiple pockets provides a separated space for your Laptop, iPhone, iPad,pen, keys, wallet, books, clothes, bottle etc£¬ capacity up to 35L.