The Artisan Sourdough Starter Jar is a 4-cup kit that includes recipes, a thermometer, and a reusable glass container for making sourdough bread at home. With a capacity of 1000 ml, this starter kit is perfect for beginner bakers looking to create homemade sourdough bread. The kit comes with a cloth cover and screw-top lid, making it easy to store and transport. The transparent glass container is food grade and dishwasher safe, making it a convenient and practical tool for any baking enthusiast.