I recently contacted a major company that makes bags for their bottles ,
and was told they are ok to freeze milk in and they sent me a card with
the instructions on it on how to use these bags for breast milk storage.
They have a toll free number on their product , if you want to call them
and ask too.
--
Cindy~~~~

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Cindy Curtis , RN , IBCLC
Virginia , USA
mailto:[log in to unmask]
http://www.tidalwave.net/~cindy