Faber-Castell - Ecco Pigment Fineliner Pens - Black
The water-based inks are fast-drying, lightfast, document-proof and waterproof on paper and will not bleed through. The mark is deep black on office and parchment paper. They are erasable on transparent paper. The cap and barrel are made from Eco Plastic and the clip is nickel-free metal. They are ideal for writing, drawing and sketching.