1. This is a milk warming bag made of leather with good texture. Its unique design allows it to have a three - level adjustment function, which can meet different heating needs. 2. This milk warming bag can not only be used as a milk bottle storage bag for convenient carrying of milk bottles, but also can be transformed into a portable car - mounted constant - temperature heating cup holder. 3. When going out, whether during a drive or in other scenarios, it can easily keep the milk bottle at a constant temperature, ensuring that the baby can always drink milk at a suitable temperature. 4. It provides great convenience for parents. Its thoughtful design combines practicality and portability, making it a considerate and necessary item for families with babies when traveling.