Breastmilk Storage Bags are perfect for refrigerating or freezing breast milk for later use. ME8406 breast milk container is pre-sterilized and has heat treated seams, ensuring maximum hygiene. The leak proof zip lock ensures that every breast milk storage container is fully reusable and resealable. ME8406 Breast Milk Storage Bag also includes an easy-to-read measuring scale and labeling area to keep track of your supply. Breast Milk Storage Bags store up to 7oz / 210mL and is 100% BPA, Phthalate & PVC Free.