3M E-A-R Classic Ear Plugs

The 3M E-A-R Classic is the foam earplug that essentially defined the category — the recognizable yellow plug found in factories, machine shops, shooting ranges, and construction sites around the world. Made from slow-recovery PVC foam, each plug compresses down for easy insertion, then expands to seal the ear canal and block harmful noise. If your team relies on a consistent, proven earplug for daily hearing protection, this is the standard.

All the plugs in this collection are one-size-fits-most, cordless, and disposable, which makes them ideal for high-volume environments where earplugs are handed out by the box. The E-A-R Classic (310-1001) carries a Noise Reduction Rating (NRR) of 29 dB and ships in convenient pillow packs — available in both the 200-pair carton for smaller operations and the 2,000-pair case for stocking a full facility or safety station.

For workers with larger or longer ear canals, the E-A-R Classic Plus (310-1101) uses an extended length that gives more to grip during insertion and improves fit and seal, delivering a slightly higher NRR of 33 dB. Choosing between the two usually comes down to canal size and comfort preference — many facilities stock both so employees can pick what seals best for them.

A few things buyers commonly ask: yes, these are single-use and should be discarded when soiled or no longer expanding fully; roll each plug tightly before inserting and hold it in place while the foam recovers for a proper seal; and the pillow-pack format keeps individual pairs clean until they're needed. Because fit drives real-world protection, the actual attenuation a worker gets depends on correct insertion, not just the printed NRR.

Explore more from the manufacturer across our broader 3M catalog, or compare other 3M lines such as 3M 6000 for related protective equipment.