Latex Catheter Detailed Specification Made of natural latex material, mainly composed of excretion cone interface, tube body, eyelet, tip, balloon(single cavity without capsule, double cavity and above with capsule), valve, filling cone interface, flushing cone thainterface is composed of products that are sterile after ethylene oxide sterilization. Medical latex Single lumen Valve Package Children double lumen Adult double lumen Adult three lumen Soft valve or Hard valve PE bag or blister bag