Cpr masks for emergency mouth to mouth resuscitation protect the rescuer with a one-way valve to keep saliva and fluids away. We offer a large selection of CPR face shield packed in portable keychain packets to take CPR protection with you wherever you go. We also carry, Microshield, the number one selling brand of CPR masks for first aid users. Our pocket masks are bubble type masks that can be used on adults or children, packaged in hard, plastic cases.