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