Howard Leight by Honeywell AirSoft Corded Earplugs feature a four-flange design that provides a better seal in the ear canal and offers increased comfort for long term wear. Earplugs deliver dependable attenuation upon proper insertion with the help of internal fins that creates a noise-blocking barrier within the air pocket. Plugs feature a stiff stem with a tapered design that facilitates easy insertion and removal and exerts less pressure in the ear canal that eliminates the plugged up feeling. Earplugs find a number of applications in agriculture and farming, airport ground crews, building construction, food and beverage processing, forestry, general contractor, landscaping, lumber/wood products, metal fabrication and more. The noise reduction is rated at 27 dB.