Made of High transparency PP material, apply to -centrifuge, disposableThe vial tubes are designed with clear scale on tube body, which facilitate accurate sampling,easy to observeSnap cap design that it 't be opened accidentally, not easy to leak and safe to useUsed in molecular biology, clinical chemistry and -chemistry research, perfect for working with delicate samples, storing tiny specimensperfect for many fields,like lab experiment and home use for taking certain volume liquidMaterial: plasticColor: ClearCapacity:2mlLength:42mm diameter:8mmPackage Contents:500 x Plastic Centrifuge TubeOnly 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.