Design: Anti-Theft (the Zipper is invisible in the back of the backpack)
Color: 6 colors
Material: 300D/600D Fabric
Internal structure: computer sidekicks， mobile phone bags， document bags， zipper bag，patch pocket and pen bag
Size: About 43*26*11cm
Function: Water Resistant， Reflective， Laptop Protection
Package include:1 x Backpack
Note: Please allow errors of the color from different monitors and the measure by hands.
Tips: There is no mobile power comes with the backpack inside.
If you want to use External USB Charge Function， you have to do as follows:
1.Buy a mobile power
2.Connect your mobile power with the USB interface inside the backpack
3.Connect your phone with the USB interface outside the backpack
4.Charging begins
