Product name: Travel backpack Material: Nylon Weight: approximately 1.2KG Capacity: Can accommodate 16 inch laptops Size: 30 * 17 * 46CM Function: 1. High capacity design 2. Independent notebook computer bag 3. Wet and dry separation bag 4. USB charging interface 5. Independent shoe bag 6.180 ° opening method 7. Reasonable storage bag 8. Waterproof material 9. Metal air permeability 10. Thickened sponge breathable shoulder strap 11. Can be inserted into the luggage compartment 12. Breathable and comfortable back cushion