Safety goggles, with four vent valves indirect ventilation design, effectively prevent fog of the lenses;... 1.Safety goggles, with four vent valves indirect ventilation design, effectively prevent fog of the lenses;2.Interior can wear the mypoic lens or presbyopic glasses;3.With elastic band, easy to wear and adjustable;4.The color can be changed as you request.... PACKING PCS/CTN MEAS G.W/N.WSG ...