CPR Rescue face shield keychain, measuring 1.96*2.16 inch, is easy to carry around. The mask features a oneway valve that protects the rescuer during first aid. Whether for CPR and AED training,first responders,safety teams,or personal preparedness,this compact keychain face shield keeps you ready to reduce risk when giving rescue breaths. The pouch is built from strong nylon, easily attaches to your keys,bag,or backpack for quick access in any emergency