aterial used, safe and recommend for extended freezer storage. *Pre-sterilised and ready to use -Medical Grade Sterilization. *Leak proof with double zip-lock to prevent splitting. *Made of BPA free and non-toxic material. *Self-standing bag for easy storage. *Easy FDA approved mto read and write in designated area for date, name and amount. *Pre-calibrated ounce/ml label for accurate measuring Storage Instructions: *Tear the tab to filling in the breast milk. *Carefully pour the breast milk into storage bag. *Leave some space on top to allow for expansion when milk freezes. *Seal the zipper of the storage bag. *Label the storage bag with date and time and put in freezer or refrigerator.