Never buy home canning jar flats again. Durable plastic lids work for all accepted forms of canning - pressure canners, water bath processing, vacuum sealer etc. Fit all types of widemouth mason style canning jars. Perfect for acid foods such as tomatoes and pickles without causing corrosion on lids. Lids are white plastic and come with reusable rubber rings. Use with widemouth metal bands (not included). Reuse these lids for years - less waste. FDA and USDA food grade plastic, BPA Free, made in USA. Dishwasher safe. Widemouth size, 12/pkg.
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