These glass jars are ideal for drinkware, and nest and stack easily when not in use These pint jars save 30% more space compared to Ball Regular Mouth Pint Jars—perfect for saving space in crowded cabinets These 16-oz. nesting wide mouth mason jars are compatible with other Ball wide mouth jars BPA-free jars are canning-safe when accompanied by Ball Wide Mouth Lid & Bands (sold separately)