1.HDPE material for shell 2.Adjust manner:Rachet adjustable chin strap 3.Blue, yellow, red, white are available Industrial and construction HDPE Safety helmet 1.Shell Material :PE 2.adapt to industrial work3.Color:Blue ,red .yellow,green,white,orange etc4.Package:1 pc an opp bag,30 pcs one carton5.Payment:30% depoist first,balanced before shipment6.MOQ:1500 pcs7.Delivery time :After order ...