This set of 50mL conical polypropylene centrifuge tubes with screw caps and white graduation is perfect for various laboratory disciplines such as physical, dental, medical, microbiological, and biological. The tubes are made of high-quality polypropylene material that ensures durability and resistance to breakage. The screw cap design provides a secure closure for the tube, preventing any leakage or contamination. The 50mL volume of the tubes is suitable for a variety of laboratory tasks, making them a versatile addition to any lab. Whether you are conducting research, performing experiments, or just need a reliable container for your laboratory supplies, these centrifuge tubes are an excellent choice.