E-A-R Classic Plus disposable foam earplugs are one of the most popular earplugs in the world. E-A-R Classic Plus earplugs utilize the same material as the E-A-R Classic earplugs, but are larger than the original E-A-R Classic and made to fit deeper into the ear canal - offering better hearing protection. The moisture resistant, dermatologically safe foam is designed to be soft enough to allow for easy insertion as well as all day comfort. Slow shape recovery provides comfort with low pressure on the ear. E-A-R Classic Plus earplugs have a 29 Noise Reduction Rating (NRR 29).