These Benchmark Scientific empty tubes, with a capacity of 2.0mL each, come complete with caps and sealing rings. This pack of 1000 tubes is ideal for various laboratory applications that require secure containment of samples. The included caps and sealing rings ensure a tight and reliable closure to prevent any leakage or contamination. These tubes are convenient for storing, organizing, and transporting samples efficiently. The durable construction of the tubes ensures stability during centrifugation and other handling procedures. Suitable for a wide range of applications such as sample storage, centrifugation, mixing, and more, these tubes are a versatile addition to any lab setting.Upgrade your laboratory with this pack of Benchmark Scientific tubes to streamline your sample management processes and maintain the integrity of your valuable samples.