Amber screw thread vials are an ideal type of container for storing sensitive materials that require protection from light. These vials are made of a specialized amber glass, allowing them to effectively block out harmful UV rays while still providing visibility into the contents. Available in a variety of sizes, these vials come with various optional screw thread closures, making it easy to secure the contents inside. Whether you need to store a small sample or large volumes, amber screw thread vials have you covered!