Fw pearlescent inks are a unique range of water based acrylic colours producing a shimmering pearl effectthe pigments are large in particle size so they will not go through fine line nozzles for airbrushes nor will they be suitable for technical pens or fountain pens the best means of applying pearlescent colours is by using a dipper pen ruling pen or brushthese acrylic based inks are water soluble when wet but when they dry they will form a water resistant film all colours are good to e