1. Secure, leak-proof double zipper closure for safe storage of your breast milk
2. Pre-sterilized bag with tamper proof seal: Tamper evident seal indicates the pre-sterilized bag is untouched before first use, for complete hygiene.
3. Freezer-safe with reinforced seams and dual layer bag: Reinforced side seams and dual layered material provide extra reassurance that your precious breast milk is stored safely in the freezer or fridge.
4. The wide and sturdy opening of the bag ensures easy filling and pouring of your breast milk.
5. The sturdy design of this bag enables it to be self standing, and the wide opening ensures easy filling and pouring of breast milk.
6. Bags lay flat for easy storage in freezer or fridge.
7. This bag is made out BPA free material.

Just pour the milk in and freeze. Pumping into storage bags can definitely be a time-saver. It will allow you to skip the extra step of pouring between containers before freezing. Pump into bottle and then transfer to storage bags.