3M™ E-A-Rsoft™ yellow Neons™ earplugs seal the earcanal with soft, slow-recovery foam for excellent noise reduction and comfort. These uncorded foam earplugs offer a soft, low pressure solution for comfortable wear - poly bag keeps earplugs clean before use. Large size fits people with larger earcanals - soft foam earplugs are easy to roll down and insert, then expand within the earcanal 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. 3M™ is leading the advancement of hearing Conservation™.