The Dr. P.H. Martin Bombay India Ink 1 ounce Set #1 contains: Black, White, Yellow, Bright Red, Red, Magenta, Grass Green, Green, Teal, Blue, Violet and Brown in 1 fl. ounce glass dropper bottles. These brilliant, pigmented India inks are lightfast, waterproof, non-clogging and non-toxic. They can be used for cartooning, designing, rubberstamping, lettering, calligraphy, fountain pens, background washes and watercolor painting. The ink adheres to most surfaces including paper, wood, plastic, vinyl, board and metal.