German solid paint using specially refined natural Arabic rubber and pearlescent pigments.
Excellent lightfastness and good color emission, suitable for painting, graphic art and calligraphy.
It is also highly water-soluble so you can use it not only with brushes, but also glass pen.
Set Colors: Crystal Gold, Arabic Gold, Olympic Gold, Pearl Gold, Royal Gold, Bronze, Hazelnut, Golden Rose, Orange Copper, Tangero, Ruby, Red, Purple, Fuchsia, Amethyst, High Chroma Blue, Caribbean Green, Mint, Blue Silver, Deep Black, Platinum, Silver, [Flip-Flop] Patina / [Flip-Flop] Twilight

(From Amazon.co.jp)