This Wilton Meringue Powder adds body to royal icing, meringue, boiled icing and stabilizes buttercream. It replaces egg whites in many recipes. The meringue powder icing resealable top opens completely for easy measuring. This is a high-quality product and will make for the ideal icing for frosting your holiday or everyday cookies. It works well on the sides of cakes too, gives off a very professional look, and is certified Kosher.