designed to hold ear plugs or ear molds in place while engaging in water activities

so you miss virtually nothing

They reduce most noise to safe levels while preserving the lucidity of sounds

please remove ear plugs

3M™ Peltor™ HY10 (HY54) Hygiene Kit for Optime™ III Earmuffs upsell_got-ears-screw-in-lanyard-for-custom-molded-ear-plugs designed to hold ear plugsHighlights Maintain hygiene of communications headsets that see heavy use or multiple users Includes sealing rings and foam inserts for earmuffs Compatible with Optime III Earmuffs Ensures good function and hygiene Extend the life of earmuffs with 1 pair of replacement cushions and 1 pair of dampers. These replaceable cushions and dampers help extend the life of 3M Peltor Earmuffs by replacing old or damaged parts.