Features Bell-shaped ear plugs have a flared end that provides extra coverage at the edge of the ear canal. The flare also provides a gripping point to aid insertion and removal of the plug. Noise Reduction Rating / 28 dB Earplug Shape / Bell Insertion Method / Roll-Down Reusability / Disposable Cord Options / Corded Earplug Size / S Earplug Material / Foam Earplug Packaging / Bulk Box, Wrapped Pairs Earplug Pair Pack Type / Plastic Bag Band Color / Blue Series / E-A-R(TM) E-Z-Fit(TM) Cord Material / Vinyl Band Material / Vinyl Cord Color / Blue Standards / 28 dB CSA Class AL Pairs per Package / 200 Earplug Color / Yellow Metal Detectable / No