The RDSW Keyflags will make your aerospace and aviation collection complete. This set of keychains features the Helvetica namesakes of the famous and beloved Space Shuttles, and true to form, the reverse side features the same "United States" lettering as on the real vehicle! Pick your favorite shuttle, or collect the entire fleet! Act fast before these too are retired! The flags measure 5.125" x 1.125" and are sure to appeal to any aviation enthusiast.