... Anti-corrosion, Anti-ultraviolet,Water proof, good forhid Ballistic helmetFDK-4 made by imported Kevlar/PE/Alloy,weight ... 40kg,and meet the GA293-2001 standar of police ballistic helmet, protection level isLight Material,Good bulletproof performanceAnti-corrosion ... , Anti-ultravioletWater proof, good for hiding Ballistic helmet Adopting PE UD fasbric as the raw material, ...