These foam ear plugs are perfect to protect your ears from excess & loud noise. Use in the work place, home or any loud environment. These ear plugs will protect your ears from sounds of up to 36 decibels. As they are a disposable plug, simply put in a bin after use. These ear plugs have been tested and conform to safety standards EN352-2:2002Available in Boxes of 200. Foam disposable corded ear plugs Conforms to EN352-2:2002 SNR 36db, H=36, M=34, L=32