1TRANSPARENT SURFACE LAYER: Fluid infusion bag can speed up the infusion speed and reduce the labor strength of doctors and nurses. With transparent surface layer, you can observe the liquid level inside the bag at any time. 2SCOPE OF APPLICATION: 500ml fluid infusion bag is suitable for patients who need emergency infusion and emergency blood transfusion in clinical emergency, intensive care unit, anesthesia department. 3GOOD AIRTIGHTNESS: Pressure infusion bag has good airtightness for 3h, there should be no leakage. The fluid pressure infusion bag will automatically deflate when the pressure exceeds the maximum pressure for use. 4500ML CAPACITY: 500ml pressure infusion bag has a capacity of 500ml and is durable and can be used in special emergency situations such as field emergency and natural disaster emergency. 5TPU MATERIAL: Fluid pressure infusion bag is made of TPU and is equipped with a pressure gauge display to flexibly grasp the required pressure value. Easy to use, it is a necessary product in emergency situations.