Use Wilton's Decorator Icing- Stiff Consistency, 16 oz. to add flavor to your cupcakes, cakes, and other treats. As this icing has a stiff consistency it is perfect to use for piping borders, flowers, and more on your homemade treats. If you want to thin out the icing you can do so by adding water, or if you want to made it more stiff add confectionery sugar. This container can cover up to two 8 or 9 inch layers or one 13 x 9 inch cake. Note this product contains milk, and is made on equipment that also processes soy and wheat; and made in a facility that also processes eggs.