This Glass Sample Vial with Screw Cap is designed for laboratory sample storage, chromatography applications, and liquid handling tasks. Made from clear glass material, the vial provides convenient visibility for sample observation and organization. The screw cap with PE liner offers secure closure for everyday laboratory use and sample transportation. Available in 2ml to 60ml capacities, it is suitable for chemical reagent storage, liquid sampling, laboratory testing, chromatography analysis, and research applications. Commonly used in HPLC, GC, and general laboratory environments.