Winsor & Newton Professional Watercolour is the market leader in artists’ quality watercolours. Advancements in both pigment technology and production methods produce even brighter, more transparent and more stable colours. The widest and most balanced choice of pigments are offered with the greatest possible permanence. The optimum brilliance of every colour in the Professional Watercolour range is unparalleled by any other watercolour. Remarkably, this brilliance is combined with high permanence.