1.Keeps the face and mouth away from coming in contact with the victim's breath and body fluids. 2.Reduces the risk of contamination. 3.Makes the rescue process safe and in a sanitary way. 4.For single use. 5.With small size and convenient for carrying . 6.Semi-transparent face shield allows visualization of patient's lips, mouth, and nose while protecting rescuer. 7.User friendly design protects the rescuer and helps eliminate hesitation when performing CPR.