This organic sourdough starter is 13 years It comes in a 100ml volume packaged in a pouch, its made with Wildfarmed t80 bread flour so full of essential nutrients. This natural yeast is perfect for those looking to bake bread, pizzas, cinnamon buns, all while adhering to organic food specifications. Ideal for those interested in traditional baking methods, this sourdough starter is a crucial ingredient for creating delicious homemade loaves of bread and much more, it comes with storage instructions and a few basic recipes to get you started