Why We Love It These handy Ball pint-size canning jars are crafted of glass with classic airtight metal lids. Founded in Broomfield, Colorado by the Ball brothers in 1880, the Ball Corporation is the top maker of high-quality canning jars. They're also terrific for food storage and crafting, or to use as uniquely stylish glassware! Specifications Crafted of glass with screw-on metal lids Set of 12 Airtight Sold individually in store Dishwasher safe Available in additional sizes, sold separately 3.2"Dia. x 5.2"H, 16 oz. capacity each