USB CHARGING WATERPROOF CLASSIC BASIC BACKPACK Classic business backpack. Simple and casual. 2.0 Version backpack: Regular style, width expandable 6cm. Suitable for daily office. This backpack can fit a 15.6-inch laptop and can accommodate 2-3 days of clothing. 3.0 Version backpack: Upgraded style, add computer compartment behind the backpack, larger capacity. Suitable for travel. This backpack can fit a 15.6-inch laptop and can accommodate 5-7 days of clothing, making you worry-free travel.
