Modular display containing 105 assorted pens. White extra fine -12. Gold extra fine - 12. Silver extra fine - 12. Copper fine - 12. Black medium 9. Gold medium - 9. Silver medium - 9. Copper medium - 9. White medium - 9. Black medium 12. The Pen-Touch Marker is an archival quality ink – chemically stable, waterproof, and fade resistant. Flows as paint directly to the tip after a quick shake it is low odour and xylene free, gives permanent adherence to most surfaces. Writes on glass, wood, porcelain, plastic, paper and metal.