3M 312 1261 Disposable Uncorded Ear Plugs, Bell Shape, 33 dB, 200 Pairs, Yellow AB9JDB Security Seal Type Pull Tight Seals Security Seal Type Pull Tight Seals Security Seal Primary Application Trailer and Container Doors 9 gpm Covers Pop Off Includes Protective Sprayhead Covers Color Yellow ANSI Compliant Yes Standards ANSI Z358 Wrapped Pairs Standards CSA Class AL Ear Plug Material Foam Pairs per Package 200 Earplug Pair Pack Type Plastic Bag Earplug Shape Bell Earplug Material Foam Earplug Packaging Bulk Box Earplug Color Yellow Noise Reduction Rating 33 dB Style Uncorded Reusability Disposable Package Quantity 200 Package Quantity 200