Backpack with USB Charging Port,Water Resistant College School BookBag Fits 15.6

BACKPACK WITH CHARGER: With built in USB charger outside and built in charging cable inside,this laptop bookbag offers you a more convenient way to charge your phone while walking. Please noted that this backpack doesn't power itself, usb charging port only offers an easy access to charge SLEEK&SOLID: Made of Water Resistant and Durable Polyester Fabric with metal zippers.Ensure a secure & long-lasting usage everyday & weekend.Serve you well as professional office work bag,slim USB charging bagpack,college high school big student backpack for boys,girls,teens,adults