Tag: Ice packs

According to the Centers for Disease Control and Prevention (CDC), freshly expressed breast milk can be stored in an insulated cooler bag with frozen ice packs for up to 24 hours while traveling. For regular cow's milk, the duration is shorter and depends on a variety of factors, including the quality of the cooler and the ambient temperature.

According to the U.S. Dairy Association, keeping perishable items like milk at or below 40°F (4.4°C) is essential to prevent rapid bacterial growth. This makes mastering how to carry milk for lunch a critical skill for both students and professionals.