Cryotubes and screw vessels are essential tools in the world of biology and medical science. These small but powerful tubes and vessels are used to safely store and transport biological samples, such as blood, tissue and other fluids. They play a crucial role in maintaining the integrity and quality of these samples so that they can be used for research, diagnosis and treatment. One of the most important properties of cryotubes and screw vessels is their ability to withstand extreme temperatures. They are specially designed to function at very low temperatures, such as those found in freezers and cryogenic storage facilities. This makes it possible to safely store biological samples for longer periods without compromising their quality. In addition, cryo tubes and screw vessels are also designed for ease of use and safety. They feature screw caps that tighten securely, preventing leakage and sealing the samples securely. In addition, they are often clearly marked, such as a barcode or color coding, to facilitate the identification process and avoid confusion. Another important aspect of cryotubes and screw vessels is their choice of materials. They are usually made of high-quality plastic, such as polypropylene, which is resistant to chemicals and protects biological samples from contamination. This ensures that the samples remain in optimal condition and the results of the research are reliable. The use of cryotubes and screw vessels is not limited to laboratories and medical institutions. They are also widely used in the pharmaceutical, food and biotechnology industries. These tubes and vessels are indispensable in developing and producing new medicines, testing food quality and carrying out genetic analyses. In short, cryotubes and screw vessels are indispensable instruments in the world of biology and medical science. They provide a safe and reliable way to store and transport biological samples while maintaining sample integrity and quality. With their ability to withstand extreme temperatures, ease of use and safety features, and high-quality material selection, cryotubes and screw vials are an essential part of any laboratory and research institute.