Breast milk cooler bag is a must-have for new mothers! The duckbill-shaped bottle bag easily holds a baby bottle or a breast milk storage bag; And can maintain the temperature for hours; The stylish color matching of this baby bottle bag allows you to complement other items when you travel, whether it is used as a baby bottle cooler bag or put into a large mommy bag, it is very convenient Note: Fill water to two-thirds or three-quarters of the ice box; It cannot be filled with water and there is no need to refill it; Only freeze or refrigerate to keep low temperature, do not heat or steam The contoured shape perfectly fits a breast milk bottle or drink; You can use both sides to store anything; Unlike melted ice, you don't have to worry about melted water leaking from your freezer bag or breast pump into the bag The long-lasting ice box is perfect for cans, bottles, drinks and breast milk or anything you need to keep cool at the office, picnic, road trip, outdoor camping or traveling! Coolers, breast milk bags, lunch boxes and insulated totes for everyday use JOFOL BABE BABY BOTTLE BAG-A Successful Choice For Every Mom!