HS23202A Cryogenic Sample Vials 2mL with Color-Coded Lids - 500 Pack for Lab Storage & Biobanking | Ideal for Liquid Nitrogen Freezing, Cell Preservation & Research Samples

Each vial has extra-thick walls for superior puncture and rupture protection, imprinted writing area, graduation marks, silicone rubber seal ring, and self-standing base. We have designed the first externally threaded vials that fit 100 to a standard cryostorage box, so you use freezer space 23% more efficiently as compared with leading cryogenic vial brands. Unique lid (patent pending) opens easily with gloved fingers and is available in assorted colors, reducing the need for tags or coders. Not recommended for liquid phase LN2 immersion.