HDPE Wide-mouth packer is translucent and come with a cap. Suitable for general use. Suitable for metals analyses and water quality parameters. I-Chem certified to meet the EPA's performance based specifications for metals analysis. Each 300 series lot is bar-coded for traceability and supplied with a certificate of analysis and sample-analysis labels, unattached. Polypropylene cap included. Capacity: 250mL. Series: 300. Closure Size: 48-400. Dimension: 2.5 O.D. x 4.37in H. I-Chem Brand #: 312-0250.