1.ABS safety helmet 2.Material:ABS for shell ,6 prong ,knitted chin strap with a PE tray 3.Adjust manner: plug 1 ... CE EN367 1.ABS safety helmet 2.Material:ABS for shell ,6 prong ,knitted chin strap with a PE tray3.Adjust manner ... : plug4:Colors:red,white,yellow,blue etc. Working Safety Helmet with CE