Set of 30 Edible Royal Icing Yellow 7/8" Duck/Ducks Cupcake Decoration Toppers Duck Royal Icing Sugar Decorations. Use on cakes, cake pops, deserts and cupcakes Measure 7/8inches each Perfect for baby showers, and more. Fully edible. Ingredients: Confectioners sugar, cornstarch, egg whites, vegetable gum, sodium, aluminum sulfate, citric acid, cream of tartar, FD&C food colors.