A. This is a multi-functional bag specially designed for families with babies. It features a barrel-shaped design, which is quite unique among various bags. B. Firstly, it serves as a good bottle bag, capable of accommodating bottles well and providing a safe and stable space for them. Moreover, it has a constant temperature and fresh-keeping function to ensure that babies can always drink milk at a suitable temperature. C. In addition, it can also be used as a breast pump bag, making it convenient for mothers to store breast pumps and related items. Carrying a breast pump when going out is no longer a hassle. D. The usage of this bag is very flexible. You can carry it by hand to meet the needs of walking. It can also be hung on the baby stroller. When you are pushing the baby stroller for a walk, the bag can be easily hung beside the stroller, and it is very convenient to access items. E. Additionally, it can be used as a small lunch bag. You can put your baby's snacks, small tableware and other items into it, providing a special storage place for your baby's dining equipment. Whether you are taking your baby for a daily walk, a trip to the park or a short journey, this bag is your considerate helper, which can greatly improve the convenience of traveling with a baby.