Come and see our amazing products. Large capacity,notebook backpack made of high density waterproof polyester.Three spacious compartments and a variety of separate pockets keep your things well organized,such as college supplies,travel accessories,books,clothes,bottles,and umbrellas,etc. Plus,the main compartment is a padded laptop compartment,which protects your laptop of all sizes on the market.Suitable for daily life,business trip,travel,school.USB port,headphone jack USB port,built in data cable,it is very convenient to charge the phone while walking,through the headphone jack.Comfortable airflow back design with thick,soft breathable padding for maximum back support.All ergonomic features ensure comfortable and safe daily long term travel use. Pls confirm further with us if any query about packing info, inventory status and time schedule.