Kuretake Zig Ai Liner Brush Pen - Ultra Extra Fine Black (ED-100-010)

Inspired by portable cosmetics, this compact brush pen features a brush tip that is also used in actual eyeliner pens. Its flexible, ultra-fine point is perfect for loose sketching and fine detail work.
This pen filled with waterproof pigment-based ink that is safe to color over with water-based paints and markers.
This is a brush pen that is fitted with an ultra-fine brush tip similar to those found in eyeliner cosmetics.
The ultra fine brush "ai Liner" is elastic and has excellent maneuverability and control, and so it is perfect for delicate expressions in illustration as well as hand lettering.
Water-based pigment ink.
NOTE : This is not an eyeliner pen and should only be used on paper.