Winsor & Newton Calligraphy Dip Pen & Brush Ink 30ML Bottle - White Professional quality calligraphy ink from winsor newton Available in 4 bright, intemixable, transparent colours - pigments carefully chosen to ensure maximum colour brilliance Thicker than the other calligraphy inks from winsor newton, these inks are best used with dipping pens and brushes Unsuitable for fountain pens