USB backpack men's daily leisure multi-function computer bag

Dimension：30x15x45cm with two padded laptop compartment inside the main pocket which fits for 15.6 laptop as well as 15 Inch,14 Inch and 13 Inch Macbook/Laptop and all kinds of ipad and kindle.
Scientific structure: In the main pocket there is totally 3 sleeves and four pocket which make your personal stuffs well organized. Under the magnet flap there is a front pocket with separate place for your pen, powerbank and phone. Side pocket for your bottle and umbrella.
Durable & Comfortable: A selection of sturdy high-density polyster material and SBS zipper make this backpack last a long performance. A padded air breathable sponge on the back reduce the stress on shoulder effectively, waist fixed belt help you reduce the weight on waist.
Anti-theft design: You can put your credit card, passport, cash and other valuable belongings in the backside anti-theft pocket. Don’t need to worry about any lost in a trip anymore.
Detail: Little potable pocket on the shoulder strap for your bus card and glass placement for your sunglasses in summer. Inner key ring for your keys. Backside fixed belt allow the backpack fixed on a trolley and free your shoulder on a trip.