Reverse osmosis purified. Calorie & sodium free. Since 1949. Naturally flavored sparkling water. The essence of Syfo's flavored sparkling waters is the purity of its water and the finest natural flavors. Scan the QR code with your Smartphone for further information. Comments are welcome. Call Toll Free: 1.888.426.Syfo. www.Syfobeverages.com. Please recycle. Made in USA.