ANTI THEFT DESIGN DAYPACK:This bag apply anti-theft design techology. Zipper of main pocket is fully hidden in the back of the back pack ,no theft will easily open your backpack. Equip with a secret pocket behind the bag which can keep your valuable items from thieves.
USB CHARGING PORT DESIGN:With a built in USB charger outside and a built in charging cable inside,this usb bag offers you a more convenient way to charge your electronic device anywhere. This backpack doesn't power itself,you need a power bank to charge it.
VARIES FUNCTION BACKPACK:180°adjustable main compartment,varies function pockets for pens ,phone ,wallet and some slim 15.6 inches laptop,elastic band design and velvet inside material laptop compartment to protect your laptop
NIGHT SAFETY AND FUNCTIONAL BACKPACK:There is a refelctive stripe on the front of the bag which makes this backpack more conspicuous in the night. A luggage strap allows travek backpack fit on the suitcase
COMFORTABLE SHOULDER STRAP AND BACK DESIGN: Padded and adjustable shoulder straps offers light-weight carrying,EVA back material will potect your back and your laptop in heavy carry,ventilate and comfortable. Size :11.02 X 4.92 X 16.93 inches