Our plastic sterile cryogenic vials include an unrivaled cap seal that exceeds DOT and IATA regulations, ensuring ultimate protection of samples during transportation and demanding freeze-thaw handling. The conical well design allows for precise sample retrieval from both automated and manual systems. Lot certified RNase/DNase and Endotoxin Free provide assurance of product integrity. Vials feature freestanding bottoms, a 13mm external thread neck finish, graduations, and a white writing patch. Colored cap options allow for color coding products. Additional vial/cap color combinations sold separately.