The Globe Scientific Cappers Tube Closure is designed to provide a secure and reliable solution for sample storage. Made from durable and non-reactive polyethylene, these closures feature a double tab snap cap for easy and secure capping. The transparent natural color allows for visibility of contents, while the non-sterile design is suitable for general laboratory use and non-critical applications. Compatible with 13mm glass evacuated blood drawing tubes and 12mm plastic test tubes, these closures provide a leak-proof seal to prevent sample contamination and evaporation, ensuring accurate sample collection and analysis. The cost-effective and reliable design makes them an ideal solution for applications in blood collection and processing, chemical analysis, biological testing, pharmaceutical research, industrial quality control, and environmental monitoring.