good bulletproof performance, anti-erosion, UV resistant, waterproof and good disguise. ... requirements. The product owns the qualities of lightweight, good bulletproof performance, anti-erosion, UV resistant, waterproof and good disguise. It ... is ideal security and defense product in the world.Bulletproof performance of the helmet: CodeStyleWeightProtection AreaProtection LevelDC4-1German Style1.4kg0 ...