Challenge coin Size: 2.2 inches in diameter and 0.16 inches Thick 3D Challenge Coin One side show the "USN" fouled anchor and chain insignia and have text " ASK THE CHIEF" It come with protective plastic display case to keep away from damage. May God hold our heroes and their families close to his heart, and love and protect them always A great gift for military lover,coin collector,police officers or anyone you want to give him surprises May God hold our heroes and their families close to his heart, and love and protect them always