Deep colors of dark red, blue and the natural silver of the medal make for the classic Captain America shield. Measuring 3 inches in diameter, the metal loop on the back will fit belts up to 1.5 inches wide. A durable prong is on the back for securing in holes.. Durable painted metal. 3 inches in diameter. Fits up to 1.5 inch wide belts. Metal prong and loop on the back. Captain American Red and Blue Star shield.