Cake Star Writing Icing - Black Cake Star Writing Icing - Black £1.50 Quantity: at £1.50 each Add To Basket Use Cake Star edible writing icing in black to create designs and personal messages on your celebration cakes and cupcakes. Ready to use in a handy squeezy tube. This edible black writing icing by Cake Star is perfect for writing personal messages and drawing designs onto any celebration cake. 25g. Ingredients: Glucose syrup; water; sugar; gelling agent: agar E406; colour: iron oxide E172; acidity regulator: citric acid E330; preservative: potassium sorbate E202. Allergy Advice: May contain milk, soya, nuts and sulphites. Storage Instructions: Store in a cool dry place away from sunlight.