This set of 10 Food Decorating Pens are manufactured by Americolor. They have a fine tip for drawing detail and can be angled for broader strokes of color. These pens can be used on almost any medium that you can imaging using them on. All of the colors are also Certified as Food Safe. The colors include; Purple, Blue, Green, Yellow, Orange, Fleshtone, Pink, Red, Brown & Black. The Gourmet Writer Pens are a very cool tool for any cake decorator to use to add extra color and excitement to any project.