4 oz (120ml) specimen container. Meets the NCCLS specimen handling guidelines for primary containers. Full turn screw thread provides excellent leak-resistant seal. Translucent polypropylene container is tough, durable, non-breakable and inert. Tolerates strong acids, bases and most organic solvents. Sterile containers have an integrity seal or O.R. package. The cup is graduated in both a U.S. and Metric scale.