Faber-Castell have produced these Albrecht Durer artists' watercolour pencils in 120 highly fade-resistant and bright colours. The perfectly washable thick leads (3.8mm) are made using superior pigments of unsurpassed light-fastness and brilliance. The colours are intense and the colour laydown is smooth. If you want a top quality watercolour pencil that has fantastic colour and is really smooth, then this is the series to buy from.