4pcs CPR First-Aid Mask, Keychain Breathing Mask CPR Face Shield

Product Name: CPR Artificial Respiratory Membrane Package (Empty Package),

Woven Bag Size: 5 * 5cm, Can Be Configured with Mouth-to-Mouth Mask,

Mouth-to-Mouth Mask Size: 20 * 30cm,

Function: This Kind of Membrane Can Avoid Saliva-Related Infection Caused by Direct Contact during Artificial Respiration to a Certain Extent, and Can Also Provide Psychological Protection to the Rescuer.