Introducing the Nalge Nunc Closures, designed specifically for NALGENE Micro Packaging Vials. These closures are made from high-quality PPCO material, ensuring durability and reliability. Each closure is sterile, making them perfect for sensitive applications in laboratories or medical settings. The NALGENE 342825-0113 Amber Closures provide excellent light protection, preserving the integrity of your samples. Easy to use and compatible with various vial sizes, these closures are an essential addition to your lab supplies. Trust Nalge Nunc for secure and efficient sample storage!