Check the listing for details. Noise-Reduction Foldable Hearing Protection Ear Muffs NRR 25dB Flexible. Condition: New. Listed at 16.99 USD. Noise-Reduction Foldable Hearing Protection Ear Muffs NRR 25dB Flexible - Foam Cushion EarmuffsImported and designed with a Noise Reduction Rating (NRR) of 25 dB, these earmuffs help protect against hazardous noises. - Comfortable DesignThe padded headband ensures comfort during extended use, while pivoting cups help ensure a secure fit for different head sizes. - Compact and AdjustableThese earmuffs fold up neatly for compact storage when not in use. The flexible, adjustable headband adjusts to fit multiple head sizes. - Versatile UsageIdeal for use in noisy workshops, factories, construction sites, and during landscaping. These reusable hearing protectors are designed for durability and long-term use. - Important Note*CAUTION: 3M strongly recommends fit testing of hearing protectors. Research suggests that many users will receive less noise reduction than indicated by the NRR due to variation in hearing protector fit, fitting skill, and user motivation. If the NRR is used, 3M recommends that it be reduced by 50% or in accordance with applicable regulations.