Milwaukee Red Disposable Earplugs (100-Pack) with 32 dB Noise Reduction Rating 48-73-3005 - The Home Depot
Amazon.com: Flents Foam Ear Plugs, 10 Pair with Case for Sleeping, Snoring, Loud Noise, Traveling, Concerts, Construction, & Studying, NRR 33, Green, Made in the USA : Health & Household