1. Wear-resistant, scratch-resistant and water-repellent, providing extra strength and long-lasting performance. 2. Multi-compartment expandable design makes storing items in separate areas more convenient and orderly. 3. 180-degree opening and closing design, suitcase-style storage, inner storage is clear at a glance. 4. Use the built-in mobile power supply to connect the USB port in the bag to charge your mobile phone, which is easy to use. 5. The tie rod is fixed with a strap, so there is no need to carry it on your back, freeing your hands and making your journey easier. 6. Capacity: Can accommodate 15.6-inch laptop 7. Carrying method: One shoulder/Double shoulders/Handheld 8. Fabric: wear-resistant fabric 9. Weight: 880g 10. Dimensions: Width 30cm x Height 44cm x Thickness 16cm 11. Structure: Front zip pocket x 2 Computer compartment x 1 Main bag x 1 pencil case x 2 ID bag x 2 Compartment bag x 2