Introducing the Nalge Nunc PassPort IP2 Bottles, designed for durability and convenience. Made from high-density polyethylene, these narrow-mouth bottles are perfect for storing liquids securely. Each bottle features a leak-proof cap, ensuring your contents remain safe and uncontaminated. The case includes four bottles, making it ideal for lab use, fieldwork, or everyday storage. With a capacity of 16 oz, they are lightweight yet robust, making them easy to transport. Trust NALGENE for quality and reliability in all your storage needs!