12 PCS Silicone Gasket Sealing Rings For Regular Mouth Mason Jar Plastic Storage Cap, Reusable Food-Grade Airtight Rubber Seal For Caning Jar Plastic Lids;

The silicone gasket rings are designed to fit and seal the regular mouth Mason Jar Plastic Lid. Our seals are the perfect size to seal the freshness into your mason jar. The seals are wide enough to fit the inside of the cover and won't fall out while screwing the lid onto the jar. By using these sealing ring it will help in your fermenting kimchi or kombucha and for your canning needs. They are reusable and easily replaceable. Our sealing rings are made of 100% silicone rubber and are non plastic and BPA Free - Food Grade that does not leave off any chemicals. They are dishwasher safe, freezer and microwave safe.