The StarWalker PolarGreen collection brings the beauty of the Northern Lights to life. On Earth, humans can gaze skyward and be transported to realms of wonder as they witness their grand spectacle. The dome on the cap top is made of transparent resin and glows in low light, recalling the enchanting dancing auroras of the night sky. The cap and fittings are coated with platinum. The meticulously hand-crafted Au585/14k gold nib displays an elegant rhodium coating.