The Prime CPR Pocket Mask Key Chain is a compact emergency resuscitation device designed for mouth-to-mouth rescue breathing. This Quicksaver device comes in a sealed protective package with clear instructional diagrams for proper emergency use. Key features: • Portable keychain size for easy carrying • One-way valve system for safety • Clear step-by-step instructions printed on package • CE certified medical device • Sealed hygienic packaging • Quick-access emergency design This device is intended for emergency CPR situations and should only be used by individuals trained in proper CPR techniques. The package includes illustrated instructions showing correct placement and usage. The one-way valve helps protect the rescuer during mouth-to-mouth resuscitation. Store in a readily accessible location and check periodically to ensure packaging remains intact.