Cryogenic inkjet labels, provided in a A4 sheet format, for printing with most standard desktop inkjet printers. Perfect for identifying cryo vials, microtubes, plastic bags, and cryo/freezer boxes destined for cryogenic storage in liquid nitrogen (-196°C) and low temperature lab freezers (-80°C). A4AJA-class labels can be printed with eye-catching color logos, graphics, images, and data or inscribed with ballpoint pens and cryogenic markers.