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3M #318-4001   Soft, flexible foam conforms to the unique shape of each ear for comfortable noise reduction Noise Reduction Rating 31db Flexible stem makes fitting easy without touching the foam tip, keeping the tip clean even when hands are dirty Poly bag keeps earplugs clean before use 200 PR / BX   Ear Plugs, Noise Reduction Rating 31 dB, Earplug Shape Cone, Insertion Method Push-In, Reusability Reusable, Cord Options Corded, Earplug Size M, Earplug Material Foam, Earplug Packaging Bulk Box, Earplug Pair Pack Type Plastic Bag, Band Color Blue, Series E-A-R(TM) Push-Ins(TM), Cord Material Vinyl, Band Material Vinyl, Cord Color Blue, Standards 31 dB CSA Class AL, Pairs per Package 200, Earplug Color Yellow, Metal Detectable No, Package Quantity 200