ITEM NAME:50Pcs 1.8ml Plastic Graduated 0.063oz Cryovial Test Tube Sample Pipe With S I9Z3 50Pcs 1.8ml Plastic Graduated 0.063oz Cryovial Test Tube Sample Pipe With S I9Z3 Can be ultra-low temperature refrigeration (-180 Celsius) With a printed scale, with clear scale marked, easy to use. With good temperature resistance and sealing property. Cover color have blue or yellow, bottle body was transparent. Can be resistant to cold storage, the wall was by the silicification treatment. Transparency, safety, convenience, clean and beautiful. Material: PP Polypropylene Capacity: 1.8ml Cover color: Blue + Orange Size: height 43mm, diameter 11mm Package included: 50 x 1.8ml freezer pipes (with silicone gaskets) Note: Light shooting 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.