· 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.· Ultimate Portability & Cordless Convenience: The Momcozy Portable Bottle Warmer is the ultimate travel companion, seamlessly fitting into your life at home, office, or on adventures. With its cordless design, you can heat breastmilk or formula anytime, anywhere, ensuring your baby enjoys nourishment at the perfect temperature, even on the go. Compatible with fast charging (adapter ≥15W), it streamlines your warm milk feeding routine for effortless convenience.· Safe Heating & Leak-Proof Security: Crafted from premium food-grade materials, our bottle warmer guarantees no unpleasant odors or harmful substances, safeguarding your baby's health. Equipped with a temperature-sensing probe for precise control and a double-layer leak-proof design complemented by silicone O-rings, it prevents spills, ensuring a mess-free experience for busy parents on the move.