The bundle of Bobs Red Mill Baking Soda consists of two individually packed soda bags, 16 oz. and 14 oz. This bob red baking soda and baking powder is extracted using a natural water process that does not use chemicals. Consisting of only sodium bicarbonate, it is completely gluten-free and healthy for consumption. When mixed with acidic ingredients, the soda releases carbon dioxide for creating soft and fluffy cakes, muffins, cookies, and more.