Introducing the VWR 4 mL Screw-Thread Vials (VW60810-1545), perfect for all your laboratory needs! This pack includes 200 clear vials, designed for optimal visibility and easy identification of contents. Each vial features a secure screw-thread closure, ensuring a tight seal to prevent leaks and contamination. Made from high-quality glass, these vials are ideal for storing samples, reagents, or other liquids. Their compact size makes them easy to handle and store, making them a must-have for any lab setting. Elevate your lab organization with these reliable vials!