Transport tubes, sometimes called mailing tubes, are used in multiple sectors of the laboratory market to store, transport or freeze samples. These tubes come in both 5mL (16 x 60mm) and 10mL (16 x 80mm) and are fitted with leak-proof screw-caps. They are made of high-grade polypropylene, and include vivid white printed graduations and marking area. Tubes are self-standing and come packaged in 10 bags 100 tubes. They meet 95kPa transportation guidelines and are provided sterile, RNase, DNase and Pyrogen free. Come with screw cap attached.