Ballistic Plate Hard Armor with Polyethylene and Ceramic Aluminum Oxide (TYZ-NIJ III+ STA-A1) Quick details: Material: PE, or PE and Ceramic Composite Size: 150mm*200mm,200mm*250mm,250mm*300mm,300mm*350mm, 350mm*400mm etc. Level Standard: NIJ IIIA, NIJ III, NIJ III+, NIJ IV 2, Specifications: PE Plate, Composite Plate, Double Curve Plate, Multi Curve Plate