1.Flip design with open-close locking 2.Flexible PVC body,PVC inner clear lenses, outer colored inorganic glass 3.5th Grade Eye protective flip design with open-close locking positioning welding goggles1.Material: Soft PVC body, clear PVC inner lenses, colored inorganic glass outer lenses2.Adapt to safeguard in gas welding, brazining, gas cutting,etc.3. Protection grade: 5th Grade4.Packing: Usual ...