This Natural yellow liquid gel delivers beautiful and brilliant color in icings and whipped toppings. These are professional strength Natural food colorings. They deliver beautiful and brilliant color in icings and whipped toppings. The colors are freeze stable, with a minimal fading and no bitter after taste. To obtain the deeper reds, blues, greens, blacks, or other colors, mix your colored icings 24 hours in advance, cover and store for later use - the colors will deepen overnight! Packaged in convenient squeeze bottles, colors can be dispensed one drop at a time so you can achieve precise colors. McCall's Liquid will color, whipped toppings, buttercream & royal icing, fondant, gum paste, marzipan, macarons, and pastillage. It is always best to test Natural colors first on the product you are mixing it with. Natural colors will react differently sometimes with different product ingredients.