Packaging: 6 - 12 oz glass bottles Thomas Kemper Root Beer is the flagship flavor of the Thomas Kemper gourmet soda line. Flavored with cane sugar, honey and vanilla extract makes for a smooth and foamy root beer. Ingredients: carbonated water, cane sugar, maltodextrin, honey, caramel color, natural flavor, sodium benzoate (for freshness), gum acacia, phosphoric acid, salt and vanilla extract. View our entire Root Beer selection.