zig kuretake cartoonist mangaka flexible pen fine hidden-product The magic ink is a

The magic ink is a revolutionary buff proof ink that is invisible when using it and turns into a deep dark brown satin finish

These refills come in smaller sizes too: On The Run OTR

and permanent

Tattoo coloring book for both grown-ups and kids

zig kuretake cartoonist mangaka flexible pen fine hidden-product The magic ink is aMedium sized flexible tip outliner pen from ZIG Kuretake. Filled with water based pigment ink is smudge free in combination with both alchol based and water based markers making it the perfect pen for outlining your drawings. The flexible tip acts like a hard brush so you can draw both thin and thick lines. The ZIG Kuretake Cartoonist Mangaka Flexible Pen is also available with a medium sized tip.