1Good Air Tightness: The infusion pressure bag shall have good air tightness for 3h and shall be free of leakage that is very practical. 2Overpressure Prevention: When the pressure of the infusion pressure bag exceeds the maximum pressure, it will automatically deflate. 3Applicable: This infusion pressure bag is applicable to patients who need emergency infusion and blood transfusion in clinical emergency, intensive care unit, anesthesia department and other clinical situations. It can also be used for emergency under special circumstances, such as field, natural disaster, etc. 4Premium TPU Material: Our infusion pressure bag is made of premium TPU material that is safe, durable and can be used for a long time. 5Note: Please do not clean with high temperature and high pressure since the infusion pressure bag is not necessary to contact human body directly.