polychromos farveblyant 170 may green BG11 Naples Yellow Deep (223) is

Naples Yellow Deep (223) is an opaque colour with an excellent lightfastness (+++)

Pigment classification: Cobalt potassium nitrite

Vandyke Brown (403) is a semi-opaque color with an excellent lightfastness (+++)

as well as cobalt and cadmium

The paper is acid-free

polychromos farveblyant 170 may green BG11 Naples Yellow Deep (223) isPolychromos colour pencils are professional artist quality Unsurpassed pigments and lightfastness Waterproof oil pastel pencils in soft, intense colours Shatterproof due to special gluing(en) Available in individual pencils or in different assorted sets Wood from certified and sustainable forestry Environmentally friendly and water based varnish Wide 3. 8 mm pencil.