... IIIA ,0.28m2,1.8kg,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 bullet useAnti bullet vestSpecification Protection levelNIJ IIIAProtection ... -infrared rays and abrasion resistance.Ballistic layersPE/ KevlarCharacteristiccan be used alone for common use ,and also can be inserted a bullet ...