These semi-hard pastels from Richeson are a great option for underpainting. They are made in the perfect shape for shading, and they can be easily sharpened. This is a set of 12 pastels and they come in a protective box. Flat edges are perfect for shading. These pastels offer great lightfastness and they have a crisp edge that doesn’t crumble. These are available in several sets including 12, 18, 36, 72 and 120. These pastels are a great addition to your set of art tools and you will find them superior to many other pastels that you may have used in the past.