Item Type: Ear Muff_x000D_ Material: ABS, Sound Absorbing Cotton. _x000D_ Noise Reduction: SNR 30DB_x000D_ Product Structure: Layered anti resonance casing. 1Comfortable Wear: The ear protection device comes with a soft padded headband, which can reduce head pressure and bring excellent comfort. 2Sound Blocking: The spacious interior of the earmuffs ensures breathability, while the soft imitation leather provides a tight sound insulation sealing. 3ABS and Cotton: The cover is made of a sturdy ABS shell and thick noise reducing and sound absorbing cotton, providing a SNR rating of 30dB and providing significant noise isolation. 4Easy Carrying: Compact folding design for easy storage and portability. Noise reduction earphones can put into backpacks, backpacks or Briefcase, while occupying very little space. 5Wide Application: Very suitable for airplane flying, sports events, learning, woodworking projects, and lawn mowing, very suitable for operating heavy machinery or landscaping business.1 x_x000D_ _x000D_ Ear Muff