Gelly Roll Moonlight Pens shed light onto art works, school projects, memos and more. The ultra vivid, opaque inks are luminous on light or dark paper and on most porous surfaces. The ink flows through a bold nib rollerball with creamy smooth consistency resulting in extraordinary writing comfort. This set includes all colors from the Twilight and Daylight five-color sets. Set colors include: Blue Green, Bordeaux, Fresh Green, Lavender, Leaf Green, Pale Brown, Sky Blue, Van Dyke Brown, Ultramarine and Yellow Ochre. Details: Includes assorted colors Bold 10 nib (0.5 mm line / 1 mm ball) 10 pens Ice Cream Smooth™ vivid ink Archival and pigment-based - chemically stable, waterproof and fade resistant No feathers, smears or bleed throughs on most paper Opaque ink shows well on dark, colored and white paper Easy and comfortable to write with Conforms to ASTM D-4236 Care & Usage: Always test product before applying. Not recommended for use on fabrics intended to be washed. Not evaluated for cosmetic use on skin.