LASER-LITE (NRR 32) is the multi-color earplug that workers love to use. The non-irritating, non-allergenic self-adjusting foam recovers to fit virtually any ear canal. LASER-LITE is ideal for that portion of the population with smaller ear canals. Attenuation tested in accordance with ANSI S3.19-1974. , Magenta/Yellow color, , Packed in poly bags. Rating: EN352:2020 SNR 35