Cylindrical shape creates a snug seal for noise reduction
Noise Reduction Rating (NRR)*: 29 dB. CSA Class AL
One size fits most
 
Constructed from slow-recovery foam, the disposable earplug conforms to the shape of the ear canal for premium hearing protection.
3M™ E-A-R™ Classic Earplugs are an economical, reliable choice in hearing protection and conservation. The slow recovery foam used to create these ear plugs, provides a moisture resistant and sound resistant barrier for the ear canal, along with a deeper fit in the ear canal making the 3M™ E-A-R™ Classic Earplug one of the most widely used foam earplugs today.