Main Features:<br />● One way valve design<br />● Being packed in a keychain bag<br />● Compacted in shape， can be placed into any first aid kit <br />● Disposable design， easy to carry<br />● Apply to heart attack， drowning， suffocation and other unexpected events of consciousness<br /><br />Usage:<br />Doing mouth to mouth artificial respiration to avoid contacting with the patient' s mouth<br /><br /><br /><br />    Specifications<br />General Features<br />  Material: Nylon Bag + Food-grade PE Mask                                                 <br />Basic Information<br />  Product weight: 0.004 kg                                                  <br />                        Package weight: 0.032 kg                                                  <br />                        Package Size(L x W x H): 7.000 x 6.500 x 2.000 cm / 2.756 x 2.559 x 0.787 inches                                                 <br />Package<br />  Package Contents: 1 x CPR Emergency Mask， 1 x Storage Bag                                                 <br /><br /><br /><br />                                            <br /><br /><br /><br /><br />                                                <br />