Bob's red mill premium quality arrowroot starch/flour provides a premium gluten-free flour for baking or thickening sauces. Arrowroot starch also works as an egg replacer and a natural baking powder when combined with baking soda and cream of tartar. This arrowroot flour is tested and confirmed gluten-free making it a great choice for those with dietary restrictions. Each package contains 16 oz of arrowroot flour for fifty 1 tbsp. Servings.