Ear Plugs, Noise Reduction Rating 27 dB, Earplug Shape Flanged, Insertion Method Push-In, Reusability Reusable, Cord Options Uncorded, Earplug Size Universal, Earplug Material TPE, Earplug Packaging Bulk Box, Earplug Pair Pack Type Plastic Case, Series AirSoft, Standards ANSI S3.19-1974 Tested, Pairs per Package 100, Earplug Color Blue, Metal Detectable No, Compatible Grainger Part Number Not Applicable, Compatible Manufacturer Model Number Not Applicable, Package Quantity 100