1. durable and soft PVC frame 2. PVC lens (50mm) 3.six indirect vents 4.flip up front 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, Earmuff & Earplug ...