Insignia has a pin closure. Made in USA. This item is manufactured by a U.S. factory certified by The Institute of Heraldry. Army & Air Force. Nickel plated, Mirror-like polished finish. MIL DTL-14639_30. Includes two insignias. Can be pinned on shirts, pants, shoes, coats, sweaters, bags, etc. Silver colored. Officer's insignia. Polished 1st lieutenant officer insignia set.