1.anti-noise earmuff(SNR 29) 2.soft foam earcup cushion 3.internal acoustic foam pad 4.ABS material 5.any color is available Hangzhou Hongsheng Plastic Industry Co.,Ltd locates in XinSheng Village, XinJie Town, XiaoShan District,HangZhou city, ZheJiang province, China. Hongsheng is a professional PPE(personal protective equipment) manufacturer which specializes in design, production and ...