• Made of waterproof polyester (but not completely waterproof) and smooth metal zipper, which is quite durable.
•  A school backpack is a USB charging port externally, which is suitable for your mobile phone or other electronic devices, also has a headphone interface, so you can listen to music through the headphone Interface on your backpack. Free your hands.
• It's a perfect gift for Teens Girls Boys Women Students to school, travel, camping and hiking, shopping, university, short trips, etc. can be used as a school backpack, Laptop Backpack, Travel D daypack, and Bookbags.