Introducing the Nalge Nunc CryoTube Vials, designed for optimal sample storage and preservation. Made from durable polypropylene, these vials feature an internal thread and a secure screw cap, ensuring a leak-proof seal. The NUNC 377224 model includes starfoot self-standing vials with a conical bottom, making them easy to handle and ideal for cryogenic applications. Each pack provides reliable storage for biological samples, offering excellent resistance to extreme temperatures. Perfect for laboratories and research facilities, these vials are a must-have for anyone needing dependable sample management.