Zilch Sugar Free Margarita Mixer is the original sugar free take-along margarita mixer that has become the rave. Each box contains 10 single-serving packets. Just add Tequila and water to make delicious 8 ounce margaritas by the glass at home, in restaurants and bars, or wherever you go. Fits conveniently in your purse or pocket. Mix contains zero carbohydrates and zero calories. Perfect for any low calorie or low carbohydrate diet.