These 18/400 silver aluminum metal caps are carefully designed to resist rust and equipped with a reliable PE liner. The PE liner is an exceptional choice due to its versatility and broad range of applications. It provides excellent chemical resistance, guarding against acids, alkalis, solvents, alcohol, oil, household cosmetics, and aqueous products. This makes it a suitable liner for a wide array of products. To ensure you get the best value, we offer these caps at wholesale pricing when purchased in bulk, granting you significant discounts. Additionally, explore the "Add Compatible Containers" section below to find corresponding containers.