These finely ground pastels provide particularly soft and smooth drawing. The rich, vivid colors mix together nicely and are well suited for use on emery paper, heavily grained surfaces and pastel paper. Sharpen them to a chisel tip or drag them flat on their sides for various shading techniques.Details:Available in multiple colors2 crayons Natural pigments Produces bold strokes as well as minute detailsConforms to ASTM-D 4236AP Certified