Very good
OLIVIER T.
3M™ E-A-R™ Classic earplugs are made of soft, energy-absorbing polymer foam for everyday comfort and excellent noise protection. Ideal whenever noise is an issue, at work or at play.
FEATURES
- More than 40 years ago, this simple hearing protection, the world's first foam earplug, revolutionized the workplace hearing protection industry and today remains one of the most widely used earplugs in the world. - Since its introduction to the market, no other earplug has been more thoroughly studied or evaluated in the field than the E-A-R Classic.