From the manufacturer:
For everyone to use - children, students, artists, art lovers or the curious. Whatever your generation or artistic experience, all you need is the desire to create!
Applications : Various techniques possible - use to draw wet or dry, rainbow techniques, stenciling, steel engraving, impregnation, watercolour, colour blocks, wash drawings and washes.
Technical description : Water-soluble wax oil pastel, Soft, velvety texture, does not crumble, Ultra-high pigment concentration, superior covering power, luminous colours, excellent light resistance.
ASTM D4236 compliant
Techniques : Wet or dry drawing on various materials, watercolour, wash drawing, etching or for applying to light panels.