The Nuvo Glitter Gloss Aqua Shimmer Pen is a superb companion to the Aqua Flow range. The versatility of the brush nib is ideal for adding subtle gold glittering details or large shimmering areas to your designs. By combining with the Aqua Flow Pens, you can bring your vivid watercolor pictures to life with a little extra glamour. This pack contains one single pen that has a reservoir complete with a non-drip valve, so simply adjust the pressure to control the amount of liquid released.