Howard Leight by Honeywell Fusion Regular Detectable Corded Earplugs feature FlexiFirm? core that helps in easier insertion and provides comfort all day. Earplugs have a four-flange design that seals the ear canals comfortably and the blue color offers better visibility in detection. It can be cleaned easily and the cord along with the stem ring can be easily detected by automated equipment. Plugs deliver superior attenuation.