You will receive a classic vintage 1960's Simplicity #6599 girl's dress and smock pattern. It is in great, used, vintage condition. All pieces and directions are present. It is a size 10, with a breast measurement 28".The envelope reads "Child's and Girl's One-Piece Dress and Smock: The a-line dress with gathers and bias binding at neck and sleeve edges has back zipper, bracelet-length set-in sleeves and optional pockets. The A-line smock with neck gathers has collar, front button closing, long set-in sleeves gathered to buttoned cuffs and optional pocket."