【Material】:2ml Plastic Freezing Tube, made of high-quality polypropylene material, corrosion resistant, high-temperature and low-temperature resistant, acid and alkali resistant.
【Tight Sealing】: The lid is leak-proof (with a silicone washer), no leakage, and freezable to -180℃
【Easy to use】: Clear graduations, able to stand on its own with a round bottom. With a writing area on the tube, which can be marked with color codes for easy recording.
【EXCELLENT CUSTOMER SERVICE】We are dedicated in providing the best products and services to customers. If you encounter any problem, please don't hesitate to contact us. We will reply your e-mail in no more than 8 hours since we receive it, and we will help you solve the problem as soon as possible.