Leifheit Classic Wide Mouth Canning Lids, Silver, 12-Pack High quality classic canning lids for use with wide mouth jars and bands Special coating for better seal For use with Leifheit canning jars 36103, 36203, 36303, and bands 36401 Finger-Testable--If it the lid doesn't give way, you know your jar is sealed Reusable, so long as seal is not punctured or compromised