<p>Package Included: You will get 36 plastic bottles, measuring approximately 20.5 mm diameter, 59.5 mm height, inner diameter: 14.5 mm, capacity: 5 ml (0.17 fl oz). Enough quantity to meet your needs.</p> <p>High quality: The 5ml centrifuge tube is made of durable plastic, resistant to high and low temperatures, and can be freeze for a long time. It has good air tightness, no leakage or evaporation, and can be used safely.</p> <p>Easy to use: Each graduated plastic centrifuge test tube has a screw cap, you only need to unscrew the screw cap, pour the material into the tube, and then tighten the screw cap without worrying about leakage.</p> <p>Storage Box: These test tubes come with a storage box that is very easy to use and store, helping you keep your experiments clean and organized.</p> <p>Wide range of applications: These small sample tubes can be used to hold liquids, solids, powders, seeds, pills, essential oils, perfumes, dyes, granular objects and more. Suitable for hospitals, research laboratories and other places.</p> <p>Material: plastic</p> <p>colour: As shown</p> <p>Package Contents:</p> <p>36 x freezing tubes </p> <p>1 x plastic box</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection 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.</p>