Professional grade artist quality coloured pencils for colouring, sketching, drawing and writing. Pre-sharpened, soft and smooth, break resistant core. Lightfast and acid free quality pigment in unique and vibrant colours. Colours can be blended together to produce a wide range of tones and shades. Smooth colour laydown for superior blending and shading. Use with a brush and water to create special watercolour effects. Interesting textures can be created by building multiple layers of dry pigment and water dissolved colour. Environmentally friendly and non-toxic.