Features:

• Sensationally brilliant opaque colors on dark-color papers and photos with 1.0mm ball.
• Attractable-writing on black or such dark-color papers.
• Smooth-writing, very dense ink and constant ink flow from start to end.
• 5 Fluorescent colors glow under a black light source (UV lamp).
• No smears, feathers, or bleed-through on most papers.
• Line width: 0.5mm.
• 12 Pens Per Set.

Colour:

• Gelly Roll White x 2
• Gelly Roll Moonlight, Fluorescent Yellow x 1
• Gelly Roll Moonlight, Fluorescent Orange x 1
• Gelly Roll Moonlight, Fluorescent Vermilion x 1
• Gelly Roll Moonlight, Red x 1
• Gelly Roll Moonlight, Fluorescent Pink x 1
• Gelly Roll Moonlight, Rose x 1
• Gelly Roll Moonlight, Purple x 1
• Gelly Roll Moonlight, Green x 1 
• Gelly Roll Moonlight, Fluorescent Green x 1
• Gelly Roll Moonlight, Blue x 1