Bisley Compact Hearing Protection Headphones hug your ears with a soft cushioned material, making them very comfortable to wear and use, even for prolonged periods. These lightweight headphones by Bisley provide a sound noise reduction of 22dB and fold up neatly for storage in a pocket. Bisley Compact Hearing Protection Headphones: Lightweight Palm sized Excellent noise reduction SNR 22dB Rated to CE EN352-1 hearing protection standards Size: One Size