Description: These split jar lips have a built-in silicone stamp to ensure the jar is securely sealed. The sheet metal is coated with double tin, so the can lid is very rust-resistant. This reusable jar cap is temperature resistant and ideal for freezing, refrigeration, and dry storage. Specification: Name: canning lid Size: regular mouth Color: silver Material: sheet metal Size: For 70mm can open lid size: 2.7 inch/68mm For ring size 70mm: inner diameter 52.5mm, outer diameter 73mm For 86mm can open lid size: 3.3 inch/84mm For ring size 86mm: inner diameter 75mm, outer diameter maxi 90mmFeatures: Reliable to use: our can rings contain nice, leak-proof and airtight effects, Using canning lids are good for sealing food and preventing leakage, keeping food fresh and clean for a long time. Convenient to use: The outer rim of the cover ring is threaded to increase friction for easy opening in mason canning jar. Packing List: 10 x Sets of Wide Jar Cap & BandsNote: Manual measurement, please allow slight errors in size. Colors may have slight differences due to different screens. It is recommended to dry with a cloth after washing to prevent rusting.