Bormioli Rocco Quattro Stagioni Glass Storage Jars - 500ml

Yes, they are designed specifically for the home canning process and are built to withstand the temperatures involved.

It is not recommended to use these jars in the freezer, as the liquid expansion can cause the glass to crack.

While the jars are highly durable, the lids are the parts that wear out over time. It is recommended to check them for any signs of damage before each use.

The glass is generally heat-resistant, but you must remove the metallic lid entirely before placing the jar in a microwave.

While the lids are relatively flat, they are not specifically designed to interlock for stacking. Use caution when stacking filled jars.

The jars come with the necessary integrated sealing system in the lid, so no additional gaskets are required for standard use.

The lid may have been left wet after washing. Always dry metallic lids immediately with a clean towel and avoid dishwasher cycles for the lids.

Ensure the rim of the jar was completely clean and free of food debris before sealing. Also, check that the rubber seal on the lid is not damaged or cracked.

Use a standard jar opener tool to provide extra leverage. Do not force the lid by prying with sharp metal objects, as this can damage the lid or the glass rim.