Earmuff, item# HF612, Available in different color SNR: 30dB NRR: 25dB Earmuff, item# HF612,many colors for choose.SNR: 30dB NRR: 25dBmaterial: ABS, packing manners: polybag, color box, head card, blister;functions:good noise reduction effect. Main Export Markets:Europe America Mid East/ Africa Central/South America Asia Australasia