Reduces significant noise: 31 dB industrial-grade NNR earplugs, effective rate against hearing loss and injury for those working in loud noise or industrial environments. These noise-canceling earplugs are suitable for sleeping, woodworking, snoring, studying, traveling, concerts, noisy events, etc.
Enjoy sleep: SNR/31dB NNR earplugs can significantly reduce noise when sleeping. Ultra soft foam earplugs are super low pressure, slow release, easy to put on and suitable for most people. Designed to lie flat inside the ear opening, making it a more comfortable choice for people sleeping on their sides.