Used on fondant, cookies, gum paste, frostings, icing, pastries, donuts, petit fours, white chocolate, marshmallows and more! 10PCS edible marker Pens With 10 Colors! Made from 100% edible ink. [Widely Use]: This edible pens can be used for fondants, biscuits, pastries, donuts, cakes, chocolate, marshmallows, fruits, vegetables, etc, and also suitable for most smooth surfaces like biscuits, bagels, pita, crepes and even hard cheeses.