Attention, Slurpee fans: 7-Eleven has a new option for people watching their waistlines, Fox 31 News reported.

The convenience store chain will soon offer "Slurpee Lite," a lower-calorie version of the popular Slurpee drink. Representatives say the new drink will have 50 percent fewer calories.

The first flavor available will be Fanta Sugar Free Mango, but 7-Eleven plans to roll out more flavors throughout the year.

Eight ounces of the new mango drink is expected to have 20 calories.

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