1Noise reduction level reaches NRR 27DB, which gives your ear good and perfect protection. 2The earmuffs can be tilted, to ensure a perfect fit and comfort feeling for individual users. 3With cotton pad, it is comfortable to wear and use the ear muffs. 4Professional grade noise reduction earmuffs, can effectively prevent your ears from extreme noise. 5Ideal for protection against noise arising from a wide range of applications, like in the workplace and leisure activity.Features: Noise reduction level reaches NRR 27DB, which gives your ear good and perfect protection. The earmuffs can be tilted, to ensure a perfect fit and comfort feeling for individual users. With cotton pad, it is comfortable to wear and use the ear muffs. Professional grade noise reduction earmuffs, can effectively prevent your ears from extreme noise. Ideal for protection against noise arising from a wide range of applications, like in the workplace and leisure activity. Specification: Condition: Material: Metal+ABS Color: Black NRR: 27DB Csa Class: AL SNR: 36DB Function: Reduce noise and protect hearing Package List: 1 x Pair of Ear Muffs 1 x Black Plastic