Mack's Ear Plugs Ultra Foam 5 pack
Mack’s Ultra earplugs are made for comfort with super low pressure foam. They are an ultra noise blocker with a Noise Reduction Rating (NRR) of 32 decibels. Ultra foam earplugs are great for sleep, study, work, travel, music, relaxation and loud events. Mack’s Earplugs are the #1 doctor recommended brand in the USA to prevent hearing loss.