The Ball Regular Mouth Bands with Dome Lids are a set of 12 metal lids designed specifically for regular mouth jars. The silver-colored lids stand at 6 inches tall and come with a dome-shaped design. These lids by Ball are perfect for preserving your homemade jams, pickles, or other canned goods. With the secure fit and durable material, these bands with dome lids are a must-have for any home canning enthusiast looking to keep their creations fresh and secure.