Ear Plugs 10x Noise Cancelling Soft Foam SNR 35 dB Ear Plug for Sleep and Work
Made from a compressible, low-pressure foam (often Polyurethane or PU foam). For example, a noise level of 95 dB (like a lawnmower or heavy traffic) would be reduced to a perceived level of 60 dB, which is comparable to a normal conversation.