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

Use large and durable mesh vents to prevent head heat

you can set the height you need

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