Sakura PenTouch Copper Medium

PenTouch Copper MediumPaint marker writes on glass, wood, porcelain, plastic, paper and metal. Ink flows from the chamber directly to the tip of the marker. A quick shake before writing mixes the colour. Archival-quality ink is low-odor, xylene-free, chemically stable, waterproof, and fade-resistant. Line width approx 0.7 mm