Multi-Function Large Capacity Travel Casual Backpack Laptop Computer Bag with External USB Charging Interface & Headphone Jack & Anti-theft Lock for Men

1. The best anti-theft backpack
2. Cities can get really crowded, especially during the rush hours in public transportation
3. Large capacity: fits for 15.6 inch laptop, notebook, 9 inch iPad, clothes, thermos bottle, powerbank, headphone etc.
4. USB external charging port in the bag, simply connect the powerbank from inside and charge your mobile device
5. Headphone Jack can connect headphones to listen to music
6. It is made of oxford cloth + polyester material