We are professional produce bulletproof vest company, have four professional military factories in china. All products pass strict test, accord with NIJ 0101.04 standards. 1)bulletproof vest Level: IV, III, IIIA, IIA, II Material: Kevlar or PE 2)bulletproof helmet Level:IIIA,II,IIA Material:alloy steel,PE and Kevlar 3)Ceramic plates Level:III 300MM*250MM*16MM Level:IV 300MM*250MM*20MM We can supply a sample FOR test. If you are interested in it please let me know. Also I can supply you with bulletproof gla