Drawing, Illustrating, Coloring, Silky Stroke, Light Fast, High Pigmentation, Blendable.The key components of POLYCOLOR professional coloured pencils are rich, top quality with perfectly dispersed pigments, carefully selected and purchased from renowned producers around the world. Their light permanency and dosed concentration also influence the final result and durability of the artwork. Therefore, a high concentration of pigment dosing has been prescribed for this product in its entire colour range. The final product is resistant to water thanks to the oily treatment.This gives our coloured pencils, along with the addition of binders and other additives, an unsurpassable ability to make a unique stroke on paper or another medium. The pencils contain a set of unique components which ensure a convenient, full colour stroke without the necessity of high pressure. This handy feature is enhanced by the preparation of pastels in special oils. Thanks to the diameter of the lead, 3.8 mm, POLYCOLOR coloured pencils provide excellent artistic value to any user. Noble wood, from which the pencils are made, allows easy sharpening.None of the components used during production contain toxic or otherwise harmful substances and the final product is therefore suitable for all age categories.