Providing comfortable hearing protection, the LASER-LITE (NRR 32) is a multi-color earplug that fit well and are among the best noise reducing earplugs available. The non-irritating, non-allergenic self-adjusting foam recovers to fit virtually any ear canal. The Laser-Lite's new formula gives it an extremely high noise rating, without affecting its unsurpassed comfort. And it remains a great value. LASER-LITE is ideal for that portion of the population with smaller ear canals because it can roll extremely small. Attenuation tested in accordance with ANSI S3.19-1974. Magenta/Yellow color, packed by pairs in poly bags, 100 pair per box. Corded. Noise reduction rating: NRR 32.