Multi Curve, ESAPI Shape, Alumina Ceramic Torso Plates (Bitossi Industries, 99.7% Purity Aluminum Oxide). Size Large: 10.25" x 13.25" Nominal, Multicurve Shape Ceramic-ESAPI Cut. Thickness: 9.5mm (0.374 nominal). This listing is for the CERAMIC COMPONENT ONLY-NOT THE COMPLETED ARMOR PLATE. Made in Italy by Industrie Bitossi.