Introducing the Nalge Nunc CryoTube Vials, designed for optimal sample storage and preservation. Crafted 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 Starfoot base allows for easy handling and storage. Ideal for cryogenic applications, each vial is engineered to withstand extreme temperatures, making them perfect for biological samples. Supplied in a convenient case, these vials are a must-have for any laboratory seeking reliability and performance in sample storage.