USB Charging Laptop Backpack Farbe:black The outer layer is made

The outer layer is made of oxford cloth which is moistureproof

scratches and stains

Battery: 800mAh

Use large and durable mesh vents to prevent head heat

🆗Long life and low power consumption

USB Charging Laptop Backpack Farbe:black The outer layer is madeUSB charging function adjustable shoulder strap waterproof Features DURABLE MATERIAL: is made of safe, BPA free, environmentally friendly, high quality and waterproof oxford, very robust and easy to clean. LARGE CAPACITY: The backpack has many pockets and can provide enough space for your personal items. There are adequate internal constructions such as a cell phone pocket, IPAD pocket and multiple storage pockets. This can provides well organized