5 oz. | Our bath bombs are made with the same non-staining organic coloring and all hypoallergenic ingredients as our Bubble Rubbles, but with more fizz and fewer bubbles. Sinus Relief blends peppermint and eucalyptus to help clear up sinuses so you can breathe easy. Place gently into warm bath water to create the best bath time experience. Ingredients: Baking soda, citric acid, epsom salt, FDA organic certified colorant, Essential oils.