Canisters & Food Storage - Inspired by the original Ball brothers' “Perfect Mason“ jars, the Ball Heritage Blue Canning Jars celebrate America's preferred choice for fresh preserving jams, jellies, salsas, pickles, fruits, sauces, pie fillings, meats and more. The limited edition Heritage Collection Ball canning jars mark the 100th anniversary of the first Mason jar series introduced in 1913. Vintage-designed with their period-correct blue color and custom-embossed logos on front and back, the blue Heritage canning jars maintain all of today's superior standards in home canning.The 16-oz. canning jar set features 6 regular-mouth glass preserving jars and 6 regular-mouth lids with metal bands. Trusted for generations, Ball canning jars are reliable for all your home-canning needs and are ideal collector, craft and serving favorites. Expertly crafted with premium quality seals that keep out oxygen to preserve the delicious freshness of every recipe, blue Heritage canning jars take the worry out of home - Specifications Made in the USA Model: 1440069000 Material: blue glass, metal bands and lids, custom sealing compound and coating Capacity: 16 oz. (2 cups, 1 pint) Size: 3 1/4“ Dia. x 5“H each Weight: 9 oz. each Use and Care To prepare Ball canning jars for canning, hand wash jars, lids and bands in hot, soapy water. Rinse well. When canning, jars must be kept warm until ready to use to minimize risk of breakage when filling with hot food. Heat blue Heritage canning jars in simmering water or heated dishwasher. The Ball canning jars are dishwasher-safe. To protect their finish, the metal bands should be washed by hand and dried thoroughly. Store sealed blue Heritage canning jars in a pantry or cool, dark storage location for up to 1 year. Jars may be stored without bands, or you may clean underside of bands to ensure no moisture is trapped during storage.