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 inch laptop, notebook,iPad, clothes, thermos bottle, power bank, headphone etc. 4. USB external charging port in the bag, simply connect the power bank from inside and charge your mobile device 5. PVC main material, impact resistant, water repellent, side polyester material, not easily deformed 6. This backpack can be unfolded at 180°
