About this item【Efficient Noise Reduction】Dual soundproof room filled with high efficiency noise dampening sponge to provide highest SNR 34dB noise blocking.【Adjustable Design】Retractable stainless steel at the end of the headband plus 360-degree rotatable ear cups can be adjusted to fit all head sizes from kids 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.【Multiple Occasion Applicable】Great for shooting, hunting, operating hedge trimmers, lawn mower, weed eater, chain saw, heavy machinery etc, also suitable for people with senso.