1. This is a multi-functional storage bag that has been carefully designed to meet the needs of various travel scenarios. 2. It can be used as a foldable shoulder bag. During the journey, you can easily carry it on your shoulder to free your hands and enjoy the scenery along the way more freely. When you need to change the way of carrying, it can also be transformed into a tote bag to flexibly adapt to different travel situations. 3. It is a practical choice for short trips. You can neatly store all kinds of items needed for the trip in it, making your luggage more organized and allowing you to quickly find the items you need. In addition, it has an expandable function and can be flexibly adjusted according to the amount of items you carry to meet different loading needs. 4. This storage bag can also be used as a boarding bag, meeting the relevant size requirements for boarding. When taking a plane, you don't need to worry about checking your luggage and can take it directly on the plane, saving you time and energy. 5. It is worth mentioning that it adopts a wet-dry separation design. You can put wet items such as towels and swimsuits in a special compartment, separating them from dry clothes, electronic devices, etc., to avoid mutual soaking and keep the items dry and tidy. 6. In addition, it is also suitable for expectant mothers. When expectant mothers go to the hospital for childbirth, they need to carry various daily necessities and baby products. This storage bag can classify and store these items, making you more calm during the busy childbirth process and preventing you from forgetting important items. Whether for travel, boarding or waiting for childbirth, it can be your considerate storage helper.