Feature: 1. Advanced Technology: The newly designed gasket, specially formulated earmuff lining and the innovative foam contained in the cushion to high attenuation. 2. High Attenuation: The earmuffs provide NRR (37 dB). The high attenuation provided by the earmuffs is the result of the combination of advanced technology and is suitable for very high noise conditions. 3. Comfort: The large, soft foam ear cushions and tiltable pivot points of the ear cups are designed to provide high comfort and effective acoustic sealing with the head. 4. Extended Comfort: The internal stainless steel wire in the headband helps maintain consistent strength within 8 hours, thereby extending comfort; the dual headband design helps reduce heat accumulation. 5. Durable: ABS plastic cups form strong, high-strength and impact-resistant earmuffs, which can be used in construction, textile manufacturing, woodworking and mining. Specification: Item Type: Noise Reduction Earmuffs Material: ABS Colour: Black High Attenuation: NRR (37 dB) Scope of Application: Suitable for construction, manufacturing, maintenance, automobiles, woodworking, heavy engineering, mining Package List: 1 x Noise Reduction Earmuffs How to use: Put it on and ready to use