Fusion multiple-use earplugs use advanced manufacturing technology to deliver a revolutionary combination of all-day comfort and easy handling. Its FlexiFirm" core ensures easy insertion into the ear canal and a superior fit all day long. Fusions patented SoftFlange" design adjusts perfectly to the ear canal to deliver unmatched comfort and superior attenuation. Two sizes: regular and small provide optimal fit for comfort and safety, while it's soft braided fabric detachable cord system adapts to any application. Economical reuse when regularly cleaned with soap and water for months of continued protection. Each pair is individually packaged in a clear flip-top box. Detachable corded earplug. NRR 27dB. Tested to ANSI S3.19-1974 standard. 100 pair per box. Sold by the box.