Chicco Breastmilk Storage Bags 30 Pcs are pre-sterilized disposable bags designed for the hygienic storage of expressed breast milk in the refrigerator or freezer. The leak-resistant double zipper closure helps prevent spills, while the writable label allows easy recording of the date and milk volume. Fill according to the indicated capacity, seal securely, and thaw breast milk following recommended breastfeeding guidelines.