IKEA : KORKEN : Air Tight Glass Jars - Set of 3Brand: IKEA. Details and Features: The jar has an aroma tight seal, which makes it perfect for preserving your favourite homemade jams and jellies. You can reduce your food waste by storing your dry foods in a jar with an aroma tight lid, because it keeps the food fresh longer. Care Instructions: The jar is aroma tight and suitable for preserving food. But bear in mind that the rubber gasket needs to be clean and in good condition to function