Kilner Preserve Jars

Yes, these jars are designed specifically for preserving and are safe for standard hot water bath canning methods. Always ensure you are using new, compatible lids and seals to maintain a proper vacuum seal.

The 11.8-ounce capacity represents the total volume of the jar when filled to the brim. If you are canning, remember to leave the recommended amount of headspace at the top for expansion.

Yes, the glass jars are dishwasher safe. However, it is recommended to hand wash the metal lids to prevent rusting or damage to the sealing compound over time.

While the glass is durable, it is generally not recommended to put these jars in the freezer. Rapid temperature changes can cause the glass to crack, and the expansion of frozen liquids often leads to breakage.

The wide-mouth opening makes it significantly easier to pack larger fruits or vegetables into the jar without bruising them. It also simplifies the filling process for jams and sauces, and makes the interior much easier to clean by hand.