Protect your hearing with Hearos Xtreme Protection Ear Plugs Blue NRR 33dB. These soft foam earplugs provide the highest level of protection with an NRR rating of 33dB, reducing noise from loud environments such as concerts or construction work. They adapt to the shape of your ears and effectively block harmful noise. Made from hypoallergenic foam, they are soft and comfortable even during extended use. Tested to ANSI standards for safe hearing protection.