Fever-tree’s Highly Carbonated Drinks Consist Of Small Bubbles For A Smooth, Delicate Texture That Carries The Flavour Of Each Mixer And Enhances It. The Results Are Delicious Drinks That Are Served In 9 Of The Top 10 Restaurants In The World. Our Award-winning Premium Club Soda Comes From A High Quality Source Of Natural Mineral Water To Create A Uniquely Balanced Soda Water That Is Ideal For Use As A Premium Mixer To Accompany The Finest Whiskies And Bourbons. Includes One 16.9 Fl Oz. Bottle. See Side Panel For Safety Information. If ¾ Of Your Drink Is The Mixer, Mix With The Best.