The Medela Breast Milk Storage Bags are convenient and reliable options for storing breast milk. With each bag containing 6oz/180ml and featuring clear windows for easy measurement, these disposable bags are leak proof and freezer safe. Manufactured by Medela, a trusted brand in breastfeeding supplies, this pack includes 75 bags to help with storage and organization of milk for nursing mothers. Made in China, these storage bags are designed to make the process of storing and saving breast milk simple and hassle-free.