ball mason jar, pint clear glass heritage series, 16-ounces, set of 4 ball ball regular mouth pint (16-ounces) preserving jars are ideal for fresh preserving recipes such as sliced fruits and vegetables, pickles, tomato-based juices, and sauces. these jars are bpa-free. this famous glass jars and closures go beyond fresh preserving to help you serving, creative decor and gift-giving. regular mouth jars work best with pourable foods such as jams and jellies, salsas, pie fillings or chopped fruits and vegetables. made in usa