Dr. Brown’s Breastmilk Storage Bags are milk storage bags to store your breastmilk safely and securely. With double zip seals, measurement markings and even a label for you to write name and date, this breastmilk storage bags make your pumping and storing breastmilk journey much easier. Extra-durable design with double zip seals to protect precious breastmilk Double zip seals keep air out and super-thick material keeps breastmilk fresh Gusseted bottom allows bag to stand upright Perforated top for easy access Pre-sterilized for immediate use Area on bag for freshness label and baby’s name Ideal for refrigerator/Freezer storage BPA-free Includes 100 individual 6 oz/180 ml bags. Recommended for 0+ months.