GA International also known as LabTAG, JTTA-7C1-1WH, Cryogenic Barcode Labels 1" x 0.5" Features: Resistant to extreme cryogenic conditions as low as -269 Degree C. Require zero cure time, can be immersed in liquid nitrogen immediately following application. Adhere to wet and moist surfaces. Labels are resistant to spraying and swabbing with alcohol and surface sanitizing wipes. Permanent adhesion, especially on curved surfaces (vials, microtubes, etc.) Resistant to gamma irradiation (tested to up to 50kGy) Cryogenic labels for the identification of small diameter vials and tubes, plates, cardboard freezer boxes, polypropylene cryo boxes, and plastic bags. Designed for long-term cryo-preservation under cryogenic laboratory conditions including liquid helium (-269 Degree C / -452.2 Degree F), liquid and vapor phase liquid nitrogen (-196 Degree C / -320.8 Degree F), -80 Degree C (-112 Degree F) freezers and dry ice transportation. Labels can be printed with all major brands of thermal-transfer printers.