... :Alloy/PE Good bulletproof performance Anti-corrosion, Anti-ultraviolet,Water proof, good forhid Ballistic helmetFDK-4 made by imported Kevlar/PE ... , protection level isLight Material,Good bulletproof performanceAnti-corrosion, Anti-ultravioletWater proof, good for hiding Ballistic helmet Adopting PE UD fasbric as ... type 7.62mm pistol1951 type 7.62mm pistol420-450 bullet proof helmet