Introducing the Labcon VWR SuperClear Screw Cap Microcentrifuge Tubes, perfect for all your laboratory needs! Each pack contains 500 nonsterile tubes designed for durability and clarity, allowing for easy sample visibility. The natural-color caps ensure a secure seal, preventing leaks and contamination. These tubes are ideal for centrifugation, storage, and transport of biological samples. With a user-friendly screw cap design, they provide convenience and reliability for researchers and scientists alike. Elevate your lab work with these essential microcentrifuge tubes!