Military helmet E are specialize in bulletproof products like vest and helmet, one of our control factory produce the material of bulletproof vest and helmet that is high quality. Materials: alloy steel board Bulletproof performances: grade i and ii Protective area: 1260cm2 Helmet weight: weight of grade i bulletproof: 1400g Weight of grade ii bulletproof: 1750-1800g Specification of package: 510mmx460mmx290mm Quantity:10 pieces/box