Rumford Premium Aluminum-Free Baking Powder comes in a convenient 8.1 oz container that has been a double-action kitchen staple for bakers and baking enthusiasts alike since 1859. It can be used in any recipe that calls for baking powder. This brand has been a trusted name by home bakers for over 100 years. Remember to use dry utensils while using this product, and always replace the lid quickly to bake your favorite baked treats. Also, don't forget to always store baking powder in a cool, dry place to maintain optimal potency. Rumford baking powder is kosher, gluten-free and has no trans fats.