• Poly bag keeps earplugs clean before use
• Large size fits people with larger ear canals
• Soft foam earplugs are easy to roll down and insert, then expand within the ear canal to help reduce noise exposure
• Noise Reduction Rating (NRR)* 33 dB. CSA Class AL
• Test compatible with 3M™ E-A-Rfit™ Validation System.

*The NRR may overestimate the hearing protection provided during typical use. 3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided.