Cryoware Black Markers Marks permanently Black ink Used for marking cardboard and polycarbonate. Ink will not fade at ultra-low temperatures. Smudge-proof. Packages consist of four extra-fine-point black pens.

For permanently marking cloth, cardboard and plastic Red, green, blue and black ink will not fade at ultra-low temperature Smudge-proof Consists of four, extra-fine point pens in red, green, blue and black.