Each ear muffs has 2 thick foam padding which overs 16 mm., soft imitation leather provides comfort and a tight sound-proof seal. Padded headband can reduce the pressure on the head effectively. Ear muffs could be your most effective noise reducing equipment with NRR 28 dB (SNR 34 dB) rating, which certified by ANSI S3.19 (US) and CE EN352-2 (EU) lab test standers. Retractable stainless steel for the end of the head band and 360° rotatable design of each cup makes the ear muffs fits the various head size through adults to children.The nylon swivel can folding and unfolding by its excellent wear-resisting property and the ear cups could be easily collapsed into the headband for the convenient carryingEar muffs can be the most effective equipment's to protect your hearing from hunting, shooting, manufacturing, yard work and etc. Create a silent world around youUnique design with double-deck reinforced anti-sound sponge and two high sealing solid ABS cups for noise reduction10.2 Ounce (290 grams) light weight make you get less fatigue caused by long-term wearing. It is both convenient for adults and children to use, because you can adjust its size by excellent wear-resistance property nylon swivelEar cushions are made of soft and skin-friendly imitation leather, which offers super comfortable experience in using, so you will enjoy ear protection ear muff