This 180 ml pre-sterilized, leakproof breast milk storage bag from Elvie comes in a 100-pack and features a hygienic double-seal for secure storage at home or on the go. This thick, tear-resistant LDPE pouch lays flat for space-saving fridge or freezer storage and also converts to a self-standing base for easy pouring and handling. This BPA- and BPS-free milk storage pouch includes a clear label to record date, time and volume, making feed tracking and safe defrosting straightforward for parents. This freezer-safe, single-use feeding bag preserves expressed milk quality and prevents spills with a robust seal—ideal for storing, freezing and warming breast milk.