With an endorsement from Wally Warheads himself, Warheads Sour Soda packs a powerful pucker. Sour Watermelon flavor tastes like a sour watermelon candy, but with all the refreshing effervescence of a soda pop. Sweetened with sugar, and flavored naturally Warheads Sour! soda is one of the most sought-after new additions to the Warheads arsenal. Customers will be anxious to get a taste.