Product Name: 3M 1621 anti-chemical goggles Product Description: dust-proof, anti-shock, anti-chemical splash vents design, prevent lens fogging ethylene frame, easy to bend to absorb 99% UV (ultraviolet) the headband adjustable 1621AF lens anti fog packing: 12 pay / box 12 boxes / carton = 144 pay 【Uses 3M 1621 anti-chemical goggles applies to hospitals, painting, laboratories, and other places Note: lens polycarbonate material for anti-shock, but not completely unavailable broken anti-shock feature does not because the lens scratches and depression and significantly weakened but when the impact of the mirror should be replaced in the line of sight of the wearer new partners as a number of well-known brands, Cheong for its excellent quality and service to ensure your employee occupational health, safety, environment and a better future.