Introducing the Nalge Nunc Closures designed specifically for NALGENE Micro Packaging Vials. These amber closures (model NALGENE 362825-0112) are crafted from high-quality PPCO material, ensuring durability and a secure fit. Ideal for laboratory use, they provide excellent chemical resistance and prevent contamination, making them perfect for storing sensitive samples. The amber color protects light-sensitive contents, while the easy-to-use design ensures hassle-free sealing and opening. Upgrade your lab supplies with these reliable closures for optimal performance and safety!