The Thermo Scientific 3711 Matrix 1.4mL PP 2D Barcoded HR Storage Tubes are high-quality polypropylene storage tubes designed for use in various laboratory disciplines such as physical, dental, medical, microbiological, and biological laboratories. Made in the United States, these tubes have a volume of 1.4mL and feature a unique barcode for easy identification and organization. The cork/stopper is not included with the tubes, but they are ideal for storing samples and reagents in a variety of laboratory settings.