Pack of 3 - Winsor & Newton Calligraphy Inks have a permanence rating of AA or A, but are not waterproof. The inks have been formulated with carefully chosen pigments to ensure maximum colour brilliance. Single pigments have been used where possible to enable clean colour mixes. It is recommend that you test the inks with your chosen pen to ensure optimum performance.
This high quality calligraphy ink comes in 18 vibrant, lightfast colours that can be used with dip pens, fountain pens, technical pens and brush.