GREEN DEVIL Hearing Protection Noise Canceling Safety Ear Muffs NRR 28dB Safety-Yellow

【Better Noise Reduction And Noise Resonance】: Built with professional noise dampening foam,tightly-sealed material and a premium quality shell.Earmuffs hearing protection provide a high NRR-up to 28dB, SNR-up to 32dB,protecting the ear from damage caused by loud equipment, machinery,or sharp,repetitive noises etc.【Adjustable Headband Comfort Design】: Can be flexibly adjusted to suit various sizes,cover all big&small heads,one size fits all. High quality adjustable double-deck padded headband design ensures that it fits firmly and comfortably around your head.【Widely Application】: GREEN DEVIL noise reduction safety ear muffs can be used as a perfect ear protection for lawn mowing,shooting, hunting, gun range, racing, reading, concert, studying，traveling and operating machinery to protect hearing,suitable for landscaping work construction manufacturing maintenance automotive woodworking heavy engineering mining and industrial use .Also can be noise canceling headphones for autism to