These micro sample cups are designed for use with Roche Cobas analyzers, including Cobas Integra, Cobas Core, and Elecsys systems, as well as compatible Hitachi analyzers. Manufactured from high clarity polystyrene (PS), they provide reliable optical performance for photometric and immunoassay testing. Each cup is precision molded to exact dimensions to ensure a secure fit, consistent sample aspiration, and smooth operation on automated analyzers. The cups support accurate handling of serum, plasma, reagents, calibrators, and control samples in clinical and laboratory workflows. Their smooth inner surface helps minimize sample retention and supports efficient processing during automated analysis. Designed for dependable performance in routine diagnostic applications, these cups offer stable handling, reliable transparency, and compatibility with high throughput laboratory analyzer systems.