The mutual combination of various types of raw materials in recipes developed over the years and appropriate technology for modifying the mixture and methods of their formation creates the required qualities of drawing. These chalk pencils are excellent for detailed work, outlines, toning, colouring and various shading techniques. They are highly blendable. You can use them on smooth or rough paper. The rich pigment is perfect for deep shading. After finishing your drawing, we suggest that you apply fixative to avoid further smudging. Comes in a blister pack for easy merchandising.