
Not a beginner. I've kept 400 liters, maybe more than 600, conservatively over the years. The plating and sealing seems to be on par with the old ball caps I have, so don't worry. In fact, the only thing that bothered me was the dimple on the snap, it was much less noticeable than my old ball caps. I mean visually. I'll admit I've only made 7 liters so far, but it was diced beef with gravy, so the pressure and time really put those lids to the test. All 7 are perfectly sealed with no signs of deformation. Very important! Very happy with it.

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