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Title: Very nice until they crack. Not recommmended.
Review: The canisters work very well at keeping food fresh. EXCEPT they crack after using a few times with just hand washing. Small cracks develop at the bottom center radiating out. They will continue to hold a seal for a short while until the cracks become larger then no more seal. The attachment to vacuum seal canning jars works very well but is not practical for storing items that are used frequently.
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