1.material:HDPE 2.slip ratchet with six point fixing harness 3.CE CE397 4.unique breath freely design 5.OEM JINHUA HENGFA INDUSTRY AND TRADE CO., LTD is a professional Personal Safety Equipment manufacturing factory, with owned production line as well as export division. Our main products include: Safety Glasses, Safety Goggle, Welding Goggle, Safety Helmet, Welding Mask, Dust Mask, Respirator, ...