... ,1.8kg,PE/ Kevlar 2)used alone ,or be inserted for anti bullet use Anti bullet jacket1)NIJ IIIA ,0.28m2,1 ... .8kg,PE/ Kevlar2)used alone ,or be inserted for anti ... rays and abrasion resistance.Ballistic layersPE/ KevlarCharacteristiccan be used alone for common use ,and also can be inserted a bullet proof plate for anti ...