Ball Jars are glass containers commonly used for preserving food. They are designed to create a vacuum seal, which helps keep fruits, vegetables, and other items fresh for long periods. Many people enjoy canning their own produce, and Ball Jars are a popular choice for this process due to their durability and reliability. These jars come in various sizes and shapes, making them versatile for different types of food storage. In addition to canning, Ball Jars can also be used for crafts, storage, or even as decorative pieces in the home. Their classic design adds a charming touch to any setting.