The 3M E-A-Rsoft Yellow Neons Uncorded Earplugs, seal the earcanal with soft, slow-recovery foam for noise reduction and reliable hearing protection. The tapered earplugs are easy to roll down and insert, then expand within the earcanal for a comfortable, secure fit. Earplugs come in a poly bag to keep them clean prior to use. 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: agriculture, automotive, chemicals, construction, general manufacturing, healthcare, oil and gas, and pharmaceuticals.