Frozen Concentrated Juice Cocktail Made with Welch's Own Concord Grapes. Less than 1/2 the calories of Welch's Regular Concord Grape Cocktail (Contains 50 calories per serving compared to 150 calories per serving for regular Welch's Concord Grape Juice Cocktail.). Microwave to thaw. Contains 31% juice when properly reconstituted. Pasteurized. Made in USA.