With lids & bands. For preserving food. Freezer safe. Choose the jar that fits your needs. Jar Size - Some jars have shoulders while others have straight sides that work best for freezing. Your recipe will guide you on the recommended jar sizes. Mouth Size - The diameter of the jar opening determines the mouth size. Wide mouth works best with whole fruits and vegetables or when you need a large mouth for filling. Wide Mouth: Pint (16 oz): Ideal for salsas, sauces, relishes, and fruit butters. For over 125 years, Ball fresh preserving products have been a staple in American kitchens, helping preserve freshness, healthy nutrients and delicious creations. Made in USA.