40L outdoor USB port backpack
This large capacity waterproof backpack is perfect for hiking, climbing or any other outdoor activity.
With convenient USB charging port – simply plug in your cable to the USB port and your device connects to the power bank and starts charging without even opening your backpack.
Adjustable shoulder straps
Side adjustment buckle
Size: 32 * 21 * 55 cm
Colors: red, green, blue, black, navy, orange