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DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

In contrast to the traditional rounded shapes of Sailor pens, the Reglus has a more modern, angular style. The decorative incisions around the bands at each end of the cap give a resemblance to gears, for a more industrial look. Sailor contrast these with a selection of highly polished plain, pearlescent and sparkling barrel finishes. The polished metal...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

In contrast to the traditional rounded shapes of Sailor pens, the Reglus has a more modern, angular style. The decorative incisions around the bands at each end of the cap give a resemblance to gears, for a more industrial look. Sailor contrast these with a selection of highly polished plain, pearlescent and sparkling barrel finishes. The polished metal...

In contrast to the traditional rounded shapes of Sailor pens, the Reglus has a more modern, angular style. The decorative incisions around the bands at each end of the cap give a resemblance to gears, for a more industrial look. Sailor contrast these with a selection of highly polished plain, pearlescent and sparkling barrel finishes. The polished metal...

DO NOT USE IN FOUNTAIN PENS Jacques Herbin offers you a wide range of 70 ink colours made in France.  62 watercolour shades are based on dyes. Their colours are unique, intense, luminous and transparent.  They can be used concentrated or diluted. 4 fluorescent and 4 pigmented inks are opaque and covering. They are best used concentrated. The Indian ink...

In contrast to the traditional rounded shapes of Sailor pens, the Reglus has a more modern, angular style. The decorative incisions around the bands at each end of the cap give a resemblance to gears, for a more industrial look. Sailor contrast these with a selection of highly polished plain, pearlescent and sparkling barrel finishes. The polished metal...

SketchINK® ink can be used with a fountain pen, a pen or a brush. One autre characteristic feature of this ink is its resistance to light and water.50ml