Discover the reliability of Nalge Nunc Round-Bottom Centrifuge Tubes! Made from durable polycarbonate, these lipped round-bottom tubes are designed for optimal performance in laboratory settings. Each tube features a secure lid that minimizes the risk of spills during centrifugation. With a capacity of 50 mL, they are perfect for a variety of applications, from cell culture to sample storage. This pack ensures you have plenty on hand for all your experiments. Trust NALGENE for quality and precision in your scientific endeavors!