12 (32 oz) Mason Jars. With lids & bands for preserving food. The brand you trust. BPA free. Enjoy your preserved foods within one year! See bottom for complete instructions. Choose the jar that fits your needs. Jar Size - Choose from over 5 jar sizes. Some jars have shoulders while others have straight sides that work best for freezing. Your recipe will guide you on the recommended jar sizes. Here are some suggestions to get you started, see chart. Mouth Size - The diameter of the jar opening determines the mouth size. Choose from either regular or wide mouth sizes. All Jelly Jars have a regular mouth. Regular Mouth works best with pourable foods such as jams and jellies, salsas, sauces and pie fillings or chopped fruits and vegetables. Wide Mouth works best with whole fruits and vegetables or when you need a large mouth or filling. Regular Mouth Quart (32 oz): Sliced fruits and vegetables, pickles, tomato-based juices and sauces. Over 100 years of research, testing and advancing the art of fresh preservation go into every product we seal. For Recipes, Tips, or Questions: FreshPreserving.com. 800-240-3340 M-F 8:30am to 4:30 pm (EST). This product is brought to you by Jarden Home brands. Please recycle. Made in USA.