Features： 1、It is a must?have for emergency survival in the wild and outdoor, for breathing. 2、Emergency personnel are separated from the injured, making it healthier and safer. 3、It is the best tool for artificial respiration and one of the necessary protective equipment for dangerous operations. 4、Made of high quality material, it is sturdy, durable and has long service life. 5、Light weight and portable design, it is convenient and simple to carry and use anytime and anywhere. Specification： Condition: Item Type: Resuscitator Material: ABS+Silicone Instructions: Keep the patient's breathing unobstructed during use, put the mouth in the middle of the breathing film into the patient's mouth, and blow air from the other side. The one-way valve with the plastic mouth will prevent the patient's exhaled air from entering the rescuer's mouth. The best tool for breathing, is one of the necessary protective equipment for dangerous workers, and it is also a must-have for rescuers! Patients with high blood pressure and epilepsy that are prone to syncope should also carry this tool for rescue! Use Range: Mainly used for cardiopulmonary resuscitation to isolate emergency personnel from the injured, widely used in emergency kits and training personnel. Package List： 2 x Face Shield 2 x Storage Box 2 x Manual