Dr. Ph. Martins Iridescent Calligraphy Colours are shimmering, intermixable, highly reflective, lightfast, pigment based, waterproof, archival, permanent, non-toxic, non-spreading metallic colours designed for use with pens (both calligraphy and dip pens), airbrushes, and brushes. The colours have great covering power on black and other dark surfaces, including paper, wood, board, metal, and some plastics. These brilliant colours can be used for cartooning, designing, rubberstamping, lettering, calligraphy, watercolour painting and a myriad of design and fine art applications.

Dr. Ph. Martins Iridescent Calligraphy Colour range comes in 24 colours in 1 oz (30 ml) dropper top glass bottles. The colours flow off a pen tip smoothly and effortlessly for extended writing distances. The colours dry evenly without any start or stop marks. These colours are designed especially for calligraphy, to accent watercolour work, or anywhere where you need to add a magical shine and shimmer that only pigment-based iridescent colour can provide.