Corded Foam Ear Plugs - Set of 12

Noise levels are measured in decibels (dBA). Most people talk at about 70 decibels. Decibels are measured on a scale like the one for earthquakes -- so when the decibels go up a little the noise goes up a lot. For example 73 decibels is twice as loud as 70. E Neck cord keeps product accessible Low-pressure plugs for added comfort Expandable foam fits wide range of ear canal sizes. Body heat-sensitive foam makes insertion easier. Includes handy case with key chain for storage High Noise Reduction Rating (NRR 29). E MSA Safety Works Hearing Protection is tested in accordance with ANSI S3.19-1974.