Winsor Newton calligraphy inks are made from high quality pigments in acrylic. All eighteen colours are lightfast. They are not waterproof and can be reactivated with water. Great with a brush or a dip pen. Ink has been formulated with pigments carefully chosen to unsure a maximum brilliance. Single pigments have been used whenever possible to make clean colour mixtures. They have an unrivalled level of permanence and quality.
 
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