The Kerr Wide Mouth Mason Lids 1 Dozen In Original Box are vintage home canning essentials. These large, gold-colored metal lids come in a set of 12 and are designed for self-sealing. Perfect for preserving your homemade jams, pickles, or other canned goods, these lids are a reliable and durable option for your canning needs. With the Kerr brand's reputation for quality, you can trust that these lids will help you seal and store your canned items safely and efficiently.