Features 1.Protective Function: Superior level of hearing protection, the helmet attachable ear muff effectively helps in reducing exposure to harmful noise, ensuring reliable protection and acoustic sealing. 2.Ergonomic Design: Designed ergonomically, these ear muffs come with a soft padding that alleviates pressure on the head, providing excellent comfort. 3.Lightweight and Breathable: Helmet style ear muff ensures breathability, and provides a tight sound insulation sealing, ideal for users wearing it for extended periods. 4.Versatile Use: The helmet sound blocking ear muff is highly practical for various industrial, manufacturing, maintenance, construction, oil and gas, forestry, shipbuilding and mining applications, etc. 5.Firm and Reliable: The hat like design facilitates use with hard hats with fitting slots. Insert the earmuff mounting adapter into the slot on either side of the helmet at an oblique angle until it snaps into place. Specification Item Type: Helmet Attachable Ear Muff Material: ABS, Sponge NRR: 22dB Peak Package List 1 x Pair of Ear Muff