These classic headmuffs offer 24 dB of Noise Reduction against loud noise. They are exceptionally comfortable and can be worn for hours on end. The Signature Lightweight Polymer Plastic makes for a light fit with great durability. These Headmuffs provide more dollar for dollar than any other muff on the market. 25 dB Noise Reduction. Made from Signature Lightweight Polymer Plastic. Exceptional Comfort and Durability. Best Value.