Hard Hat Mounting Ear Muffs Cap Mount Protective Earmuffs Noise Reduction Ear Covers Noise-cancelling Helmet Attachable Earmuffs Ear Defenders Anti-No

Features: Safety Helmet Mounted: easy to clip on a hard hat, and fits most hard hats. Sound Insulation: Designed with 2 layers of professional noise dampening foam, high sealing solid cup, the earmuffs has good sound insulation effect, no more bothering by noisy noise. Functional: a simple way to improve sleep quality, reduce noise damage to hearing, avoid noise interference and effectively improve work and study efficiency. Reliable Quality: ABS shell, 304 stainless steel headband, good resistance to corrosion, heat and oxidation. Ergonomic Design: soft good tightness ear cushion, comfortable to wear. Wide Application: for sleeping, shooting, in flight, factory, construction site, etc.