Thermal-transfer cryogenic labels designed for the identification of indented-cap style cryo storage vials. Can be immersed directly in liquid nitrogen following application, perfect for long-term storage in liquid nitrogen tanks (-196°C/-321°F), lab freezers (-80°C/-112°F), and for transportation on dry ice. Compatible with cryogenic vials sold by Nunc®, Nalgene®, CorningTM, and Simport®. Can be printed with serialized information, and high-quality barcodes, using all common thermal-transfer barcode printer brands.