Features: Perfectly suitable for , Sport, and similar earmuffs, these compact PU+ replacement cushions deliver lab noise reduction and effect resistance for long lasting hearing accuracy gear. Engineered with multi layer sound sealing and ergonomic shape, the shock absorbing cushions create a customized fit while blocking 30dB+ environmental noise in demanding conditions. Ideal for industrial workers, mechanics, enthusiasts, and outdoor sports lovers requiring stable hearing accuracy during extended wear in high decibel environments. Essential for construction sites, manufacturing workshops, shoot ranges, or any scenario demanding concentrated hearing defense against machinery noise and environmental disturbances. The anti friction coating resists oil dirts and dust accumulation, allowing quick maintenance with mild detergent wipes to preserve sound performances and hygiene standards over years. Specifications: Component : Size: about 110x84x20mm/4.3x3.3x1inch Package Includes: Pair Headphone Case note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.