... for shell ,6 prong ,knitted chin strap with a PE tray 3.Adjust manner: plug 1. anti-shock & puncture HDPE/ABS shell ... function 6. logo printing service to meet clients' demandsMeet 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