Specification: Made of medical grade PU. Have very good biocompatibility, suitable for long-term use. PU is naturally soft and thermoplastic, which is soft and comfortable when it reaches body temperature. With X-ray line on the tube. Marking at 20/40/60/80100cm. With guide wire. Sterile with EO gas Have different sizes with color-coded. CE and ISO certified Free sample is available. Packing: Individual blister sterile packing / OEM is available Lead time: Within 3-4 weeks / depending on quantity