Ultra-high pigment concentration ensures intense colour and exceptional light resistance. For all amateur or professional watercolourists, mixed media designers and lovers of unbridled creativity. Technical description : Type : Water-soluble coloured pencil, hexagonal shape for optimal grip Lead : soft, extra-fine to meet the most demanding requirements of watercolour painting and artistic drawing. Diameter: 3.8 mm. Ultra-high pigment concentration. Exceptional light resistance when applied dry or as watercolour (Standard Blue Wool Scale - between *** and *****) Pencil : hexagonal, 8 ply, matt casing matches the colour of the lead, colour number indicated Premium FSC® certified cedar wood Techniques : Watercolour, wash drawing, shading, unlimited mixed techniques. Dry or wet drawing on all media (paper, cardboard, canvas, etc.) .Developed and manufactured in Switzerland