Storing milk. Need help, please ❤️ Iv only pumped 30 ml (first time Iv ever Expressed milk today ) my baby is 28 days old and I want to Freeze my milk to keep it for when she is older and Drinking out of a bottle, I really don't want to waste the Sterilized bags by using one bag for 30 mL I would like to store at least 4oz per bag. How do I go about adding all my milk up from different days? What's safe and not safe? Can I open and add to Sterilized bags from the freezer? January 2020