1.material:HDPE 2.slip ratchet with 6 point fixing plastic harness 3.CE CE397 4.unique breath freely design JINHUA HENGFA TOOLS CO., LTD is a professional Personal Protective Equipment (PPE) 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, ...