25L Large Capacity Traveling Bag

This 25L Large Capacity Backpack with one USB port, so you can put your power bank into the backpack, connect the data line. And you can charge your phone just connect with the USB port. You can free one hand when you need power bank to charge your phone. With a large back pocket, you can keep your laptop, tablet, etc inside. Your LOGO or artwork can be imprinted on it.