Medium Mason Jars are better for canning larger amounts of your fresh favorites. Whether you are putting up your favorite vegetables or a fresh pasta sauce, medium-sized jars work well to help you control portions. These particular jars also make the most of your storage space with Leifheit's innovative wide mouth jars. Their unique design fits comfortable on shelves and into corners, for a fit that matches your cabinets and shelves. The wide mouth design makes them easy to fill and easy to get into later on. Pair these jars with your favorite lids and transform your kitchen into a canning oasis.