Winsor & Newton Water Colour Markers are high pigmented, lightfast markers deliver ultimate water colour performance with added precision. They are the ultimate markers for the modern watercolourist. You won't find another marker quite like these ones. These creative markers make unrivalled water colour painting in pen-form. Water-Based pigmented ink - The water based pigmented ink in these markers allow the flexibility to come back to work at any time, as it can reactivate the ink with water, even when dry. And thanks to the high quality pigments, your work will not fade. Versatile and Highly soluble - Promarker watercolour, which brings both the bold and sharp qualities of a marker and the subtlety of colours and effects of watercolour paint. High solubility with water which allows for the creation of beautiful painterly effects and layering of colours.  Depending on the paper, the blending of the markers varies. But they're designed to make gorgeous washes when combined with water. Because they have dual nibs, you can also use them for fine detail and sweeping line thicknesses. To see them at their best, always use them with Winsor & Newton Water Colour Marker Pads.