Vivid, intense opaque colors! Gelly Roll smooth rollerball tip for easy writing and drawing. Opaque luminous gel ink works like a paint pen on colored paper (especially black paper), vellum and photographs. Glows under black light.

Contains one each of the following colors: Fluorescent Yellow, Fluorescent Orange, Fluorescent Vermilion, Fluorescent Pink and Fluorescent Green; 5 pens total.