These CPR keychains are the most portable and convenient CPR mouth barriers you'll find anywhere! They're perfect where space is limited and they're single-use and disposable.
 
The durable one-way valve protects you from contaminants as you provide rescue breathing for someone who needs your help. Comes in a variety of colors (red, blue and black) or in an assortment of colors (random). Not made with natural rubber latex.