Breast Milk Storage Bag MyCey milk storage bags are the biggest helpers for mothers to be able to keep their milk ready at any time during breastfeeding period. * 200ml / 7oz. * Zipper design against leakage. * Freezer Safe. * Sterile Packaging. MyCey milk storage bags are the biggest helpers for mothers to be able to keep their milk ready at any time during breastfeeding period. They can preserve their milk under sterile conditions for a long time. Tear security lock of the bag. Carefully open protection zip. You don’t need to wash it before using as it is sterilized. Fill the bag with milk. For preserving the freshness, remove the air inside the bag before closing the zip. In order to do this, place the bag between your pointing and middle fingers (like scissors) and push the air towards the lock. Use a soft tip pen while entering information to the information section. Close the bag by pressing the zip. Repeat the operation for ensuring safe closure. It can be stored in vertical