PinMart Oklahoma US State Flag OK Enamel Lapel Pin 1" Available as a single item or bulk packed. Select your quantity above. Order more, Save more! Qty: 1 pin This pin is an authentic replication of the Oklahoma (OK) State Flag. Our state flag pins aredie struck from jeweler's metal, gold plated, bold enamel color filled and epoxy coated. SIZE: 1" Each piece includes a clutch back and is individually poly bagged.