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Wide Mouth Mason Jar Lid Silicone Seals

A package of four silicone seals designed to fit Mason/Ball wide mouth plastic storage caps. These silicone seals fit securely during use and remove easily for clean-up. This item has multiple applications including lacto-ferment cold storage or transporting liquids. These seals make plastic storage caps useable when a two piece mason jar lid would otherwise be required, but without the worry of BPA or rust.


Not for use in canning or vacuum storage
Platinum silicone
Inner diameter approx – 2 3/4”
Outer diameter approx – 3 6/16”
4 seals included
Plastic lids not included

Silicone Seals For Wide Mouth Storage Caps.. 4 Pack



  • Handmade item
  • Material: silicone
  • Made to order
  • Ships worldwide from United States
  • Feedback: 319 reviews
  • Favorited by: 62 people