• No, jar mouths are approximately 2.25" wide. Definitely smaller than a regular mouth canning lid.
    Answered on 10/18/2016 7:44:35 AM by Blessedimperfection from Utah
  • According to information listed under the product overview tab: Lids form a leak-proof, airtight seal
    Answered on 10/20/2016 8:38:59 AM by Product Specialist Greg from Sierra Trading Post