you can simply block out annoying background noise

Because Mack's are moldable

(1) Pair Interchangeable Silicone Plugs

You can choose your own level of sound attenuation in any situation

Hearos Ultimate Softness Ear Plugs (NRR 32 | 56 Pairs) Pairs_56 pairs you can simply block outHearos Ultimate Softness Series Ear Plugs Features The beloved Original Formula is back! Super soft UF foam for a comfortable fit High noise blocking for work, sleep, etc. Neutral beige color Includes 56 pairs NRR 32 The Ultimate Softness Ear Plugs series was launched as the original HEAROS ear plug in 1992. Today, eighteen years later, this ear plug is used by millions of people who want to sleep better, protect their hearing and reduce noise. Hearos