Cimilre Breastmilk Storage Bags, 100 count.Hygienically pre-sealed with an easy tear top. Double-notch locking mechanism, are self-standing and leak-proof, able to be stored in the refrigerator or freezer. 7 oz. capacity with graduated markings in ounces and milliliters, as well as name, date, and volume labels. BPA Free and EDC Free when heated.