Dr Martin's Bombay India Ink's are brilliant jewel-like colors. Non-clogging, waterproof, opaque and lightfast. Flows freely off pen tip, brush, and airbrush. Good for stamping, lettering and background washes. Adheres to almost any surface including paper, wood, plastic, vinyl and board. Non-toxic. 1 oz bottles. Colors below are approximate but are not exact matches to the true ink colors.