BANGE BG-3078 Business Commuting Large Capacity Backpack Computer Pack 1. High-density fabric spliced microfiber leather fabric, delicate material, lightweight and wear-resistant, splash-resistant and splash-resistant 2. Large capacity storage, clear functional partitioning, and available for short-term travel 3. The internal impact resistance foam can withstand the impact of internal and external forces, effectively reducing the probability of falling and collision to the fuselage and damage 4. Ergonomic design is designed to carry a scattered force, fit the body, and the body is filled with honeycomb breathable back pads. It can be used for scientific pressure and sweating. It has a comfortable travel experience. 5. Freely switch the carry mode, and the back can be attached to the suitcase 6. Convenient side bags, quick collection of items 7. High-quality buckles, flexible adjustment 8. Material: 900D film material 9. Size: about 31 x 17 x 47cm 10. Weight: about 0.91kg 11. Note: only bag, no others