SUPACOOL School Backpacks, Lightweight Laptop Backpack with USB Charging Port, Full Grey

STURDY MATERIAL: The school backpack made of waterproof oxford 600D fabric,durable and wearing-resisting. Adjustable shoulder straps can prevent them from slipping, and make the slim laptop backpack fit your body shape and shoulders better LOT OF STORAGE: The colleage backpack with one big pocket offers a lot of storage space.You can put laptop,iPad, power bank,camera,books and other item you need and keep it organized.The backpack can hold up to 15.6 inch laptops. USB CHARGE PORT: With built in USB charger outside and built in charging cable inside,this USB backpack 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 MULTI FUNCTIONAL: It's a perfect backpack for daily use, leisure, hiking, camping, trekking, air travelling, walking, outdoor sports, shopping, business trip and overnight stay. SIZE: The backpack size is 42*32*12cm