3M 1100 Ear Plugs, Uncorded, 37 dB Noise Rating, PU Foam, Orange
Amazon.com: Loop Experience Ear Plugs for Concerts – High Fidelity Hearing Protection for Noise Reduction, Motorcycles, Work & Noise Sensitivity – 8 Ear Tips in XS, S, M, L – 18dB Noise
How to Use Ear Plugs (3 Step Guide) - Pro Fit Hearing