Classic Plus Uncorded plugs, Hing Conservation 310-1101 in Pillow Pack

Features . Classic Plus plugs are slightly longer than regular size for higher noise reduction when fit deeply in the canal. Low pressure foam conforms to the shape of the canal for enhanced comfort and wability. Moisture resistance helps maintain a consistent expansion time even in humid situations. Noise Reduction Rating NRR 33 dB. CSA Class AL. Flame resistant for potential arc flash situations and safer storage. Material - Polymer Foam. Color - Yellow