• 1.0mm line width fine-point marker. 
• Opaque but without bleed-through on paper. 
• Water resistant and fade resistant.
• Dries quickly (within 10 seconds).
• Acid-free and non-toxic.
• Writes safely on any surface, including plastics, glass, ceramics, wood, metal or paper as well as CDs.

Recommended for writing of Print File negative, slide and print preservers