Posca markers are indelible and their ink is water based. Their colors are bright and opaque. They are waterproof, non-toxic and lightfast.
Suitable for almost all surfaces: paper, cardboard, wood, metal, porcelain, glass, ceramic, clay, fabric, masonry, etc.
Instructions for use :
Shake the marker well – with the cap closed – until you hear the ball, remove the cap and press the nib several times on a test paper until the ink starts to flow on the nib.
Origin: Japan.