Cryo-vials, w. outer thread, PP, sterile, lip-/silicon seal, L 49 mm, 2 mlCryo vials, w. outer thread, PP, sterile, lip silicon seal, L 49 mm, 2 ml Material: PP. Autoclavable: yes. Sterile Suitable for storage of cell cultures, serums, blood components, bacteriological cultures and other liquids at low temperatures in refrigerators or nitrogen vessels. Suitable for storage of samples in he gas phase of liquid nitrogen. Lid and vial made of identical material, even expansion of the material, no danger of explosion. Non slip