Introducing the Nalge Nunc Cryogenic Vials, designed for secure storage of biological samples at ultra-low temperatures. Made from durable polypropylene, these vials are both sterile and resistant to cryogenic conditions. The external thread with screw cap ensures a tight seal, preventing leaks and contamination. Each pack contains multiple vials, perfect for laboratories and research facilities. Ideal for storing cells, tissues, or other sensitive materials, these vials are a reliable choice for your cryogenic storage needs. Trust Nalge Nunc for quality and performance in every sample preservation.