7-Eleven Adds to Its Private Brand Beverage Roster IRVING, Texas — 7-Eleven Inc. now offers thirsty customers Serafina, a bubbly, better-for-you-beverage imported from Italy. The proprietary sparkling mineral water brand was created exclusive for 7-Eleven and is available in three flavors: Original, Organic Lime and Organic Lemon Ginger. Each 16.9-ounce bottle sells for a suggested $1.79. For a limited time, customers can purchase two bottles for the price of one at participating stores. "Customer demand for sparkling and premium water continues to rise, and as the ultimate beverage d...