1. This is a multi-functional bag with a unique design that combines multiple uses. It is made of thickened materials and has excellent heat insulation performance, which can effectively maintain the temperature of items. 2. You can use it as a lunch bag. Whether you are an office worker carrying a work meal or a student carrying lunch, it can keep food at a suitable temperature for a long time. At the same time, it is also an exquisite handbag that is small and portable, making it convenient for you to hold in your hand. 3. It can also be transformed into a cosmetic bag to store lipsticks, change, and various cosmetics, helping you easily organize small items when going out. It is also suitable for toiletries, providing a stable "home" for your toiletries. 4. In addition, when you go on a picnic, it can be used as a picnic lunch box bag to keep food fresh, becoming a helpful assistant during your picnic. This bag is thoughtfully designed and has diverse functions, making it a practical item in daily life.