The Best Earplugs for Concerts | Reviews by Wirecutter
EarDial HiFi Earplugs - Invisible Hearing Protection for Concerts, Music Festivals, Musicians, Motorcycles and other Discreet Comfortable High Fidelity Noise Reduction. With Compact Case and App : Amazon.co.uk: DIY & Tools
The Ear Buddy Premium Soft Foam Ear Plugs, Noise Cancelling Earplugs For Sleeping, Hearing Protection For Concerts, Work, Shooting & Travel, Noise Reduction Rating 32 Decibels, 50 Pairs: Buy Online at Best