With a unique pigment dispersion process, Winsor & Newton\'s professional watercolours offer colours that deliver both transparent washes and rich opaque layers. Each colour embodies the unique characteristics of its high quality pigment to bring a wide range of colours to your palette. Smalt (Dumont\'s Blue) is a cobalt variant that mimics a lustrous reflective sheen. The historic colour was traditionally used for stained glass painting and pottery. - Brands: Winsor & Newton - Professional watercolour - Tube size: 14ml - Colour: Smalt - Series: 3 - Permanence: A - Transparent