BANGE BG-3057 Large Capacity Men Business Work Lightweight Computer Backpack 1. Embedded foam guard, high elastic cotton guard tightly wraps the frame, fully surrounded and not afraid of bumps 2. Internal anti-impact foam, bears the impact of internal and external forces, effectively reducing the probability of damage to the fuselage due to falls and collisions 3. Adopts 900D leather film fabric, tough, wear-resistant and splash-proof 4. About 30L large capacity, covering the main compartment, accessories compartment, equipment protection compartment multi-layer space, modular storage of digital and daily necessities 5. Convenient partition, daily large necessities, valuable small items have space 6. Easy to disperse force carrying system, flexible and more stable 7. Luggage stable bag, easy travel, free switching of carrying mode, back can be hung on the suitcase 8. Fabric: 900D leather film 9. Size: about 46 x 29.5 x 20cm 10. Weight: about 960g 11. Note: only the bag, not including others