Posca All Black Set 8pcPOSCA All Black Set 8pc features non toxic, water based paint pens that are lightfast and waterproof. They can be used on a range of surfaces such as paper, vinyl, glass, plastic, wood, and metal, bonding permanently to materials like wood, chipboard, paper, and plaster. The alcohol and solvent free opaque paint covers well, dries quickly, and can be blended and overlaid when dry. Marks are also removable from non porous, sealed surfaces. This set