Manufacturer: Medela The Medela Breast Milk Storage Bags (100 Count) are specially designed for the safe and convenient storage of breast milk. These high-quality storage bags offer several features that make them a great choice for breastfeeding mothers looking to preserve their expressed milk. Features: -The bags are sterilized, ensuring a hygienic environment for storing breast milk. The bags are double-walled and feature a secure double-zipper seal, providing excellent protection against leaks and preserving the milk's nutrients. With a storage capacity of up to 6 ounces (180 ml), these bags offer ample space for each pumping session. -The bags are double-walled and feature a double-zipper seal, providing excellent protection against leaks and preserving the milk's nutrients. With a storage capacity of up to 6 ounces (180 ml), these bags offer ample space for each pumping session. The flat design also ensures even freezing, which helps preserve the milk's quality. For added convenience, the bags feature a large labeling area where you can write the date, time, and volume of the milk, helping to keep track of the milk's freshness. -The bags are made from BPA-free materials, ensuring safety for both the mother and baby.