PinMart USA and South Korea Crossed Friendship Flag Enamel Lapel Pin Available as a single item or bulk packed. Select your quantity above. 25 Pack of Lapel Pins The USA and South Korea crossed flag pin is die struck from jeweler's metal, gold plated, and enamel color filled. Otherwise known as a friendship flag pin, this is the perfect way to honor South Korean Culture! SIZE: 1 1/8'' x 1/2'' Each pin comes with a clutch back and is individually poly bagged.