Introducing the Nalge Nunc CryoTube Vials, designed for optimal storage and preservation of biological samples. Made from durable polypropylene, these sterile vials feature an external thread with a secure screw cap, ensuring leak-proof containment. The round-bottom design enhances stability, while the unique Starfoot base allows for easy handling and storage. Each case includes multiple vials, perfect for laboratory settings or research applications. Trust these vials for reliable cryogenic storage, safeguarding your valuable samples at ultra-low temperatures. Ideal for scientists and researchers seeking quality and convenience in sample preservation.