Feature:1. Great Protecting: Ear muffs are connected to the helmet (shipping only ear muffs), with ear muffs can be protecting your hearing.2. Sponge Design: This helmet ear muff adopts sponge design, effective acoustic sealing and reliable about protection.3. PVC Material: Our hard hat ear muffs also adopt PVC material to build hard, high strength and impact resistant ear muffs for harsh environments.4. Reduce Ear Injuries: Earmuffs for safety helmet can effectively reduce noise and prevent workers from suffering ear injuries.5. Wide Use: Helmet protective earmuffs are individual protective equipment used protecting the head and ears of workers. Suitable for construction site and home decoration.Specification:Item Type: Safety Helmet EarmuffsMaterial: PVC, SpongeUse: Helmet protective earmuffs have a good sound insulation and noise reduction effect, is a good construction site, home use toolsWeight: Approx. 250g / 8.8oz.Package List:1 Pair x Helmet Ear Muff