（12 sets Canning Lids and Rings): 2 Sizes to choose: 86mm or 70mm.
Wide mouth 86mm - The Mason Jar Lids inner diameter of the metal ring is 2.91 inch, outer diameter is 3.5 inch, the diameter of lid is 3.3inch. It can not be used with a regular mouth jar.
Regular mouth 70mm - The Mason Jar Lids inner diameter of the metal ring is 2.2 inch, outer diameter is 2.67 inch, the diameter of lid is 2.68inch
（Assured material）our regular mouth jar rings are made of tinplate (not stainless steel)not easy to rust, can withstand high and low temperatures, and can be used many times.Toxic free and safe
（Good Sealing：It's easy to use as a storage，regular mouth mason jar lids create an airtight seal . It's suitable for keeping food, grains, dressings, drinks fresh, no need to worry about put into the boiling water.
Widely Used: Suitable for sealing the mason canning jars that stored spices, sweets, biscuits, fruits, jams, soft drinks, tea or coffee, nails, screws and other small objects, please make sure the size before purchase.
Please check our sizes before pressing that purchase button!