1.Material :ABS for helmet shell 2.Adjust type:Rachet ;adjustable chin strap 3.Novel design comfortable in wearing Construction Safety hard hat1.Adapt to industrial work2.Material: ABS for helmet shell,3.Color:Blue ,red .yellow,green,white,orange etc4.Payment:30% depoist first,balanced before shipment5.Delivery time :After order confirmed 20 days.6.Payment:T/T V guard safety helmet