This product is a set of 12 8 oz glass canning Mason jars, each with a lid. These jars are designed for canning and preserving various items such as fruits, vegetables, and meats. The clear color and airtight seal make them ideal for maintaining the freshness and quality of your homemade preserves. With a reusable and dishwasher-safe design, these jars are convenient and practical for any home kitchen.