3M™ Tri-Flange™ Corded Earplugs feature three soft flanges that help provide comfortable hearing protection quickly and easily. Simply hold the stem and push the earplug into the ears. The tip stays clean even if hands are dirty or gloves are worn. The soft polymer earplugs are washable and reusable. Recommended applications include assembly and mechanical, chipping, chiseling, cleaning, drilling, furnace operations, grinding, heavy equipment operations, machining, metal repair, painting, pouring/casting, power fastening, riveting, sanding, sawing and welding. These earplugs are commonly used in the following industries: construction, general manufacturing, mining, oil and gas, and transportation, Tri-flange earplugs have a Noise Reduction Rating (NRR) of 26 dB and tests compatible with the 3M™ E-A-Rfit™ Validation System. Not only is noise present in our daily routines and recreational activities, but millions of Americans work in hazardous noise on a daily basis. Estimates from the National Institutes of Health suggest that hearing loss afflicts 28 million Americans. About one-third of those cases are at least partially attributable to noise. Hearing loss due to noise is almost entirely preventable by judicious use of hearing protection