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
Sound Blocking Ear Plugs for Sleeping | BlockBlueLight
Acu-Life® Comfort Fit Earplugs, NRR 27 (1 Pair) | Block Out Noise – Apothecary Products
These smart earplugs block noise, but keep your smartphone alerts | Gadgets and gizmos, Earplugs, Wearable technology