Our trusted Ball® Brands of Fresh Preserving Lids have been crafted for quality for generations. * We use our custom, time-tested sealing compound to help ensure you get quality seal when fresh preserving. * A quality seal is one of the most important aspects to home canning; it ensures that no oxygen returns into the jar after processing and that your food will remain preserved just the way you created it. * Our manufacturing facility in Muncie, Indiana produces each lid with pride. * Made in the USA