Bormioli Jar with Lid, Transparent, 1.5 L

1.5L Glass Canning Jar Easy and safe vacuum system Your vacuum preparations in 3 easy steps 1. Fill the jars with food to preserve vacuum, clean the rim and twist the capsule (without too much force)2. Put the jars in a pot, cover them with warm water and then boil the time indicated in the recipe you are preparing. Leave the jars in the water until it has cooled