Corded earplugs are made of moisture-resistant, nonflammable, dermatologically safe foam. Foam is nonirritating. Foam's slow recovery provides comfort with low pressure. Noise Reduction Rating is 29 decibels. Earplugs fit a wide range of ear canals and are tested to ANSI S3.19-1974.
          
          
          
          
          
          
          
          
          
          
          
          
          
          
          
          
          
          
          
          
         
                  
                 
                
               
                     
                    
                  