Description Colours: Sparkling Blue Sparkling Green Sparkling Light Blue Sparkling Orange Sparkling Pink Sparkling Red Sparkling Violet Sparkling Yellow Posca Pens are pigment paint pens that produce fluid and smooth work with excellent coverage. The pens have a small ball inside the barrel which mixes the paint to the right consistency when you shake it! The pens are so opaque and dense that you can paint light over dark, and they work on any surface making them an ideal choice for any type of artwork.