General Business Large Capacity Simple Travel Backpack

Side expansion design, can be thickened by 8cm, the internal space instantly increases, avoiding the annoyance of not being able to fit too many items, travel easily, and go on a trip at any time!
Large Capacity Multi-pocket Backpack: This travel backpack features multiple compartments and has a capacity of approximately 42L. The main pocket can hold your travel essentials and fit 5-8 pieces of clothing. The front compartment has various pockets for storing notebooks, pens, earphones, and other small items for quick access. The backpack also has a built-in laptop compartment that fits most 17 inch laptops and is situated close to your back.
With USB Charging Port: The USB interface design allows for convenient charging of your electronic devices by connecting your own power bank, making this USB backpack a more convenient way to charge your phone while traveling.
With Trolley Sleeve & Anti-theft Pocket: The backpack has a trolley sleeve on the back that allows it to attach to the handle of a carry-on luggage for hands-free transport and easier carrying. There is also a hidden anti-theft pocket on the back to protect your valuable items from thieves.
Adjustable Breathable Shoulder Straps: The backpack's robust padded straps and back panel provide stable and comfortable walking. There is a removable sternum strap that connects its two shoulder straps, as well as an air-mesh ventilated back panel that helps minimize back sweat.