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Title: Too long to prepare
Review: If you are going to use these bottles as storage for frozen milk, beware. They take a VERY long to defrost and with a screaming infant as your side, you don't want to wait any longer than you have to to feed your child. Also, they took up most of my freezer space. If I wanted enough milk storage back up, I would have had to purchase a separate freezer. I switched to Gerber storage bags and even though they are floppy, they are much easy to store large quanities of milk and only take a few minutes to defrost and warm.
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