Derwent Colorsoft pencils are soft, smooth and velvety. Richly pigmented, they can be mixed and blended to create an infinite spectrum of rich, vibrant colors. They’re ideal for a wide range of drawing styles, from bold contemporary still life to portraiture and more detailed work like fashion illustration and landscapes. Colors are highly blendable and the core glides smoothly over a wide variety of drawing surfaces. ColorSoft pencils are acid-free and tested for lightfastness.