Rainbow Dust Liquid Color Airbrush (formerly Color Flo Airbrush Color) is available in many beautiful colors and is a liquid food color that can be used with an airbrush. Use straight from the bottle and simply rinse with water when finished. Use this highly concentrated coloring for royal icing, various creams, cakes, pastes, and more. The built-in dropper applicator allows for precise control, making it easy to achieve a wide range of shades. Ratio: Do not use more than 4ml of Color Flo for every 1 kg of cake. Ingredients: Humectant: glycerin, propylene glycol, water, colors: E102. E102 may have an adverse effect on activity and attention in children. This product is non-GMO, suitable for vegetarians and vegans, certified Kosher, suitable for Halal diets. Content: 16 ml.