Howard Leight Fusion EarPlugs, HearPack Sold as: 100pr/Box NRR: 27dB Fusion reusable earplugs use advanced manufacturing technology to deliver a revolutionary combination of all-day comfort and easy handling. FlexiFirm core ensures easy insertion into the ear canal and a superior fit all day long. Fusion’s patented SoftFlange design adjusts perfectly to the ear canal to deliver unmatched comfort and superior attenuation. ANSI S3 19-1974/CSA Z94.2 * Bacou-Dalloz-Howard Leight Fusion Earplugs Detachable Cord   Hear Pack * Fusion multiple-use earplugs utilize advanced manufacturing   technology to deliver a revolutionary combination of all-day comfort   and easy handling * Flexifirm core ensures easy insertion into the ear canal and a   superior fit * Fusion’s patented Softflangeâ„¢ design adjusts perfectly to the ear   canal to deliver unmatched comfort and superior attenuation * Detachable cord system allows flexible user wear * Available in regular and small sizes * ANSI S3.19-1974/CSA Z94.2 * Noise Reduction Rating : 27 Decibel * Size:Regular * Sold as 100 Per Box