These water-soluble coloured pencils are hexagonal shape for optimal grip they are water-soluble, soft and resistant, 3.8 mm diameter, superior coverage, excellent light resistance and made ofpremium FSC certified cedar wood. Great for hatching, shading, watercolour, wash drawings, unlimited blending, superimposed colour, mixed techniques combined with PABLO? permanent pencils, NEOCOLOR pastels and gouache. Ideal for large-scale drawings with large areas of colour.