Dr. Ph. Martin's Bombay India Inks offer powerful color in a convenient dropper-stopper glass bottle. These highly pigmented India inks not only remain lightfast and permanent, but are also totally waterproof when dry. They adhere to nearly all surfaces and are non-clogging when used in pens.
Dr. Ph. Martin's Iridescent Calligraphy Colors are shimmering, highly reflective colors that are lightfast, waterproof, archival, and permanent. Made from the finest ground pigments, the unmatched color intensity of Dr. Ph. Martin's Iridescent Calligraphy Colors gives you the ability to cover dark surfaces with a dynamic range of metallic color.