• Mark vials, and cardboard and plastic cryogenic boxes

• Markers will not smudge or fade at temperatures as low as -196°>C
• Will mark on surfaces that are free of condensation
• Extra-fine tip markers allow writing on small surfaces such as cryogenic vials and tubes

Extra-fine tip markers come in a package including one each of four colors (red, blue, green, and black). To change markings, simply remove with alcohol.