Sagittarius: Confident Optimistic And Loud AF. A perfect card for sending a birthday wish to the Sagittarius people in your life. Sagittarius celebrates birthdays November 23rd - December 21st. • Measures 4 x 5.5 inches • Printed on acid and lignin free white card stock (A2) folded • Brown Kraft envelope • Blank inside ready for you to write a personal message. • Packaged in a plastic protective sleeve • Created by V. Starling for Honest AF Cards.