100% Brand New And High Quality Wild and outdoor first aid is a must for survival,Critical moments, critical uses. An indispensable first aid product for the outdoors. Instructions: Keep the airway of the sick and wounded open during use, Put the mouth in the middle of the breathing membrane into the casualtys mouth, Blow on the wounded from the other side, The one-way valve on the plastic mouth strap prevents the casualtys breath from entering the rescuers mouth. It is the best tool for artificial respiration. Patients who are prone to syncope such as hypertension and epilepsy should also carry this treasure with them for rescue Scope of use: Mainly used for cardiopulmonary resuscitation,Isolate first responders from the injured to prevent cross-infection, Widely used in first aid kits and medical training personnel Packageinclude:1x Artificial Respirator Mask Note: 1. Due to the different monitor and lighting effect, the actual color of the item may be slightly different from the color shown on the pictures. 2. Please allow 1-3cm error due to manual measurement. (1 inch = 2.54 cm) Thanks for your support :)