3M PELTOR X5A Over-the-Head Earmuffs Hearing Protection Noise Reduction NRR 31dB Safety Ear Muffs

---------------------------------------------------------------------- Industrial applications: For hearing protection in noisy workplaces. General use: For when you want to concentrate on studying or reading, or to reduce stressful everyday noises. Noise Reduction Rating (NRR): 31dB Weight: 351g Cup thickness: 81mm Band stretch width: 35mm (each side) Standard: ANSI S3.19-1974 compliant product Materials/Headband: Stainless steel, thermoplastic resin, polyester, polypropylene, polyacetal resin Cups: ABS resin, thermoplastic resin Inserts: Polyurethane Ear pads: Polyurethane/ABS resin *Sizes and weights are approximate values and not guaranteed values.