Multi-Function Large Capacity Travel Anti-theft Security Casual Backpack Laptop Computer Bag with External USB Charging Interface for Men / Women, Size: 42 x 29 x 14 cm, Black, Grey, Blue, Purple

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,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. It is made of polyester material