Ear Plugs with Dispenser Disposable Uncorded 500 Pairs Per Package Noise Reduction Rating NRR 30dB Metal Detectable No Ear Plug Size Universal Ear Plug Shape Tapered Ear Plug Color Orange Ear Plug Material Soft Foam Ear Plug Packaging Dispenser Standards ANSI S3.19-1974 Includes Mounting Bracket Hardware Package Quantity 500