· 24H+ Extended Outdoor Cooling: Momcozy breast milk cooler adopt 360° surround cooling tube technology keeps temperatures consistently cold for over 24 hours, preserving the freshness of your breast milk and preventing nutrient loss during outdoor activities. · Simple and Convenient: Just pop the cooling tube in the refrigerator (around 0℉) for 12 hours beforehand (adjust freezing time as necessary), and then move it to the milk cooler for easy use. · 22oz Increased Capacity & Separate Storage: 22oz individual storage bottles catering to your storing and feeding needs all day long. To accommodate multiple pumping sessions, use the 2 separate bottles to divvy up warm and cold milk, eliminating spoilage and ensuring your baby's health is safeguarded. · Dual Heating Modes for Milk & Water: Easily switch between breast milk and water heating modes for the perfect feeding temperature, whether you're preparing formula or warming milk. · Fast Heating: Momcozy portable milk warmer can heats water to 104°F in just 3 minutes and refrigerated breast milk to 98°F in 5 minutes, ensuring your baby’s milk is ready when needed.