Product name:Silicon Carbide Bullet Proof Plate Curve:Single Curve, Double Curve Function:military police Material:ceramic silicon PE weigh:1.7-2.3kg Certificate:USA H.P.WHITE LABORATORY, INC Type:Multi-curved Ballistic Plate Dimensions:250x300x 25 mm Protective level:NIJ III NIJ IV Protection Area:0.28-0.55m2(Jacket)