Protection: Against harmful noise, but especially where noise levels are a continuous problem. : These disposable ear plugs are made from a soft non-allergic foam, giving a comfortable and effective fit. The tapered shape is specifically designed to self-adjust to most ear canals, which provides greater worker convenience and comfort. Applications: Particularly convenient when safety glasses/goggles are also being worn. Approvals: Complies with European Standard EN 352-2:2002 SNR = 37 dB. CE Marked