1.Versatile Usage - These 12-piece 16 oz wide-mouth mason jars are perfect for food storage, crafting, and even as centerpieces. They can also be used as overnight oat containers. This glass jar with lid can be a container for beverages, fermenting, food preservation, and more. These jars with lids and rings have other variety of sizes depending on how you will use them: 8 oz, 24 oz, 32 oz, or 64 oz. 2. - The 12-piece jars are made of high-quality glass with heavy 0.22-mm lids. They are also equipped with double-coated interiors for excellent sealing. 3.Various Sizes - This includes a 12-piece set of 16 oz jars, making them suitable for storing different quantities of food or for different crafting purposes. You can put your pre-prepared meals, overnight oats, beverages, and more in these mason jars with lids and rings. They are also available in other sizes: 8 oz, 24 oz, 32 oz, or 64 oz. 4.Complete Set - Each mason jar comes with a lid and a ring, so you don't have to purchase them separately. Plus, stickers are included for easy labeling. These mason jars with lids and rings have a wide mouth. This case consists of 12 pieces of mason jars.