I've been using Foodsaver round canisters for about 5 years. As others have noted on other review sites, they sometimes crack on the bottom--but by my experience, primarily with a certain usage pattern. The canisters that I seldom open and reseal are doing just fine, but the ones I frequently open and reseal (3-8 times a week) are the ones that crack.
Since all the cracks stem from the injection molding point on the bottom, this leads me to believe that this is a manufacturing defect in their canisters. Specifically, the frequent resealing causes stresses on the canister bottom that reveal a structural...
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