1. [Large upgraded version] Increase capacity, improve comfort and relieve back pressure.2. [Women's travel backpack] This backpack is made of waterproof and durable polyester fiber, with good breathability and heat dissipation. It is equipped with two padded shoulder straps, providing lightweight carrying and strength enhancement, reducing shoulder pressure, and keeping cool for a long time. It is tough, strong and won't fade.3. [Separate shoe bag design and wet bag] Main bag x 2, laptop bag x 2 and many other pockets for different purposes. The wet bag is made of high-density waterproof material, which can help you distinguish between wet and dry items. If you have wet clothes or towels, you can put them in the wet bag. A separate shoe cabinet can help you carry your shoes better and store them in your travel bag.4. [USB charging port] Built-in charging port can charge mobile phones anytime and anywhere. (The power bank and data cable in the picture are only for display, not gifts, and need to be provided by yourself)5. [Anti-theft multi-function backpack] There is a zipper pocket on the back of the bag, which can store valuables such as mobile phones and iPads, and is convenient for anti-theft. Multi-functional backpack: mixed (backpack/luggage bag/shoulder bag/travel bag) conversion. Several different ways can be used. It can be used as a daily backpack, a spacious college backpack, a professional backpack for a laptop or for daily use anywhere. It is very suitable for weekend holidays and occasional use.