Foam Ear Plug 60 pr./ pkg. Handy Pack- 2 Packages (120 Pairs)

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. Flat, peel-off sheet of plugs stores easily in vehicle/tool box. Resealable package for storage. Low-pressure plugs for added comfort. Expandable foam fits wide range of ear canal sizes. Body heat-sensitive foam material makes insertion easier. High Noise Reduction Rating (NRR 29). E MSA Safety Works Hearing Protection is tested in accordance with ANSI S3.19-1974.