INCLUDES: 3 x 316 Stainless Steel Fermentation Lids with waterless silicone airlocks. Fits most wide mouth canning / mason jars. This lids-only variation DOES NOT include the PickleHelix coils or a mason jar. | FERMENT LIKE A PRO: Pro fermenters use nothing but stainless steel why shouldn’t you? Our fermenting lid kit has the smallest amount of plastic on the market! Make sauerkraut, pickled veget