Dr. Ph. Martin'sBombay India Ink Set #01 30ml These highly pigmented Indian inks not only remain lightfast and permanent, but are also totally waterproof when dry. They adhere to almost all surfaces and do not clog when used in pens. The inks can be diluted with water and used with brushes in traditional watercolor techniques or in pens, technical pens and airbrushes. All colours are bright and transparent, except black and white, which are opaque and have excellent covering power This set includes 12 different colours in 30 ml glass bottles. Colors: Yellow, Red, Magenta, Green, Blue, Brown, Black, White, Violet, Bright Red, Blue Green, Grass Green. Brand: Dr. Ph. Martin's