1.durable and soft PVC frame 2.PVC clear lens 3.indirect vents 4.flip up design 5.dark PVC or glass lens 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, ...