Discover the perfect solution for your laboratory needs with the Nalge Nunc Closures designed specifically for NALGENE Micro Packaging Vials. These closures are made from high-quality PPCO material, ensuring a secure and leak-proof seal for your samples. The NALGENE 362820-0110 Natural Closures provide excellent chemical resistance, making them ideal for a variety of applications. Their user-friendly design allows for easy application and removal, while the natural color offers a clean, professional look. Trust these closures to keep your valuable contents safe and secure!