Mixing bright colour along side the unique properties of gel ink. Pens will not smear, bleed or feather on most paper surfaces. Sets offered in classic, shimmering metallic, glittery stardust or flourescent moonlight collections. Brilliant colours that ignite darkness. For best results use flourescent colours on dark paper surfaces. Their flourscent elements allow them to glow under black light. Note: moonlight ink comes in 2 types (archival & flourescent). Archival Moonlight colours contain pigment-based ink which is waterproof & fade resistant. Flourescent Moonlight colours can fade if exposed to direct sunlight & glow under a black light. Set contains: 2 Gold pens, 1 of each of the following: Silver, Copper, Blue, Red, Green, Purple, Pink, Emerald.