Made of High parency PP material, apply to Micro-centrifuge, The vial tubes are designed with clear scale on tube body, which facilitate accurate sampling,easy to observe Snap cap design that it ' be opened accidentally, not easy to leak and safe to use Used in molecular biology, clinical chemistry and Bio-chemistry research, perfect for working with delicate samples, storing tiny specimens perfect for many fields,like lab experiment and home use for taking certain volume liquid<br><br>Material: plastic Color: Clear Capacity:2ml Length:42mm diameter:8mm<br><br>Package Contents:500 x Plastic Centrifuge Tube<br><br>Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.