Innovative design, the first foam earplug featuring a cylinder shape
The 3M™ E-A-R™ Classic™ Earplugs set the industry standard for personal safety noise reduction as the worlds first foam earplug...
Proprietary soft, slow-recovery foam is comfortable and helps with earplug fitting
Moisture-resistant foam
Compatible with the 3M™ E-A-Rfit™ Validation System