The refreshing taste of sweet watermelon and tangy lemonade, with a kick of caffeine. Sparkling Ice Caffeine Watermelon Lemonade is a fizzy, flavorful sparkling water, with zero sugar, only 5 calories per can and 0g carbs. Made with better-for-you ingredients, this low-calorie carbonated water is bursting with real fruit flavor from natural sources, contains vitamins and antioxidants, and gives you a little extra boost. The product ships in a pack of 12 cans. Each sparkling water can contains 16 fl oz.