2D Barcode Externally Threaded Cryogenic Vials by NEST Scientific are sterile (E-beam), USP Grade VI PP with HDPE cap, laser-etched 2D barcode on base, rated to −196 °C; certified DNase-free, RNase-free, and human-DNA-free. Available in 1.5–5.0 mL in 10×10 (606952–609452) and 8×6 (612891, 614591) rack formats.