1. Fabric: Oxford spinning 2. Weight: about 1.3kg 3. Size: 57x33x18cm 4. Bag internal structure: zipper pocket, mobile phone bag, ID bag, sandwich zipper bag, computer pocket 5. Whether with lock: Yes 6. Large capacity, multi-layer storage 7. Sponge back cushion, easy to lighten the burden 8. Grid compartment, waterproof and dustproof, breathable and wear-resistant
