Kerr, 12 Pack, Half Pint, 8 oz., regular mouth jars with lids and bands. Ideal for preserving jams, jellies sauces, mustard and flavored vinegar. Custom time tested ceiling compound help ensure a quality seal with each lid. New brushed silver design on the outside lid matched kitchen designs. Refrigerate up to 3 weeks, freeze up to 1 year, fresh preserve and store up to 1 year.