The paint is water-based but permanent when dry

The Prockey runs on a water-based pigment ink rather than the alcohol-based formula most permanent markers use

field writers

and covering surfaces where you need solid black that stays put

Cotton fibers absorb water more evenly and hold more moisture than pure cellulose

hand mixed solid paint marker pocket yellow Rois The paint is water-based butWater based 15 mm mini version of HAND MIXED's classic industrial markers. The color is opaque but does not work on glass or transparent surfaces. You can see in the picture which color this pen has, and you can see all our pens and products from HAND MIXED here.