Mason Jar with Lids Half Pint Jar, 8-ounce, Set of 12, No Writing on Sides These 1/2 Pint (8 oz) Tapered Glass Jelly Canning Jars will show off your product with its clear smooth sides and can easily be labeled. Because they do not have shoulders, they are easy to fill & easy to empty! These jars can also be used in hot fill (with the standard plastisol or two piece lids) or water bath canning with HI-Heat or two piece canning lids.