Still one of the most widely used foam earplugs today, the 3M E-A-R Classic uncorded earplug is an economical, reliable choice in hearing protection and conservation.
Constructed from slow-recovery foam, the disposable earplug comes in a clean, convenient, pillow pack.

Reusable pillow pack helps keep earplugs clean when they are not being worn
These "roll down" earplugs are rolled between your fingers, and inserted into your ear canal, where they expand to block the canal
Conforms to the shape of your ear canal to help create a comfortable, snug noise barrier
Reduced ear canal pressure - for long wearing comfort
Not too soft - so they maintain a snug fit, blocking sounds
Slow-recovery earplug foam is flame-resistant and moisture-resistant
Noise Reduction Rating (NRR): 29 dB
Note that the NRR may overestimate the hearing protection provided during typical use.
3M recommends reducing the advertised NRR by 50% for estimating the actual amount of noise reduction provided
CSA Class AL
Priced and sold by the box