Kilner Canning Jar

Yes, the two-piece lid system is specifically designed to create the vacuum seal required for hot water bath canning. Always ensure you follow proper sterilization and processing guidelines for the specific food you are preserving.

Yes, the glass jars are dishwasher safe. However, we recommend hand-washing the metal lids to prevent potential rust or damage to the sealing compound over time.

The wide opening makes it significantly easier to pack larger fruits or vegetables into the jar without bruising them. It also simplifies the filling process and makes cleaning the interior much more accessible.

The screw bands can be reused multiple times, but the flat metal discs are designed for a single use to ensure a reliable vacuum seal. You will need to purchase new sealing discs for each canning project.

No, because the volume indicators are embossed directly into the glass during the manufacturing process, they are permanent and will not wash off or fade with repeated use.