HASTHIP Studying, Meditating,Shooting Range,Mowing,Construction,Manufacturing, Ear Muff  (Pack of 1)

[ Efficient Noise Reduction ] : Earmuffs constructed by solid ABS-shell and thickened noise-dampening foam,Dual soundproof room filled with high efficiency noise dampening sponge to provide highest NRR 35dB noise blocking. NOTE: This ear muffs is passive noise isolating and no batteries needed. [ Adjustable Headband Design ] : Retractable stainless steel at the end of the headband plus 360-degree rotatable earmuffs can be adjusted to fit all head sizes from children to adults. [ Comfortable and Safe ] : Ergonomically designed double-deck headband stays close to your head without causing pressure, the newest cups design lined with super soft, comfortable foam cushions providing non-stop comfort for hours around your head and ears. [ Compact and Portable ] : Compact folding design for easy storage and convenient portability; the noise-canceling headphones fold up nicely to fit in a range bag, backpack or briefcase while take only a small space. [ Silent Your World ] : Ideal to block out noises caused by Airports, Shootings, Woodworking, large crowds, Gardening, Fireworks and household tools or other troublesome noise,also suitable for people with sensory issues such as autism.