Since 1998, as an ISO 9001: 2000 Certified company, we specializing in manufacturing Body Armor Vest: Made by PE or Kevlar, Protect Level: NIJ 3A, Protect area:0.28m2,0.3m2,0.35m2,0.45m2 ,0.5m2 , and so on. Weight:2.4kg~4.5kg