safety half face shield visor semi-aluminum construction and ABS grooved frame,easy to isntall on helmet and sturdy; safety half face shield ,face visor equipped with safety helmetsemi-aluminum construction ;ABS grooved frame,easy to install on helmet and sturdy;pc visor with aluminum bound,good protection against foreign particles, used with safety helmet.Package:40pcs/carton 52*42*64cm 16/14Kg