From the Manufacturer: Blends by Orly are made with the highest quality wholesome gluten free ingredients, and are also OU Kosher certified, nut free, vegan and corn free. Blends by Orly provides a simple way to prepare baked goods that are so delicious that people would have no idea they are eating something that is gluten-free. Blends by Orly allows you to make your exact favorite recipes by just replacing the wheat flour with one of the Blends by Orly. Perfect for artisan white breads, pizza crust, and more! and, and, and, and, Each bag is 20 oz.