Our falcon tube is made of high-quality and high-purity polypropylene materials. These containers can be used as a high-pressure kettle test tube, with a maximum capacity of 12000 x g. Easy to mark: The plastic centrifugal tube features a designated white area for easy marking and identification. The design allows convenient label application. Accurate scale: The centrifugal tube has clear graduations on the side, which are accurate and easy to read, providing convenient measurement for scientific applications. Leak-proof design: The centrifugal test tube comes with a polyethylene cap that ensures a secure seal and prevents leaks. These containers are shelf-stable, reusable, safe, and reliable. Sterilization: These plastic tubes are sterilizable and suitable for a wide range of applications, including handling solids, liquids, powders, seeds, pills, and granular materials. Type: B Self-Standing, 50 mL Color: Transparent & Blue Material: Plastic Package Contents: 50 x Centrifuge Tubes Note: The package includes only the items listed above. Other products are not included. Note: Lighting effects and different displays may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.