Sisters Are The Perfect Best Friend - Mailable Wooden Greeting Card for Birthdays, Anniversaries, Special Occasions or Just Because A totally unique way of sending a personalized greeting card to your Sister Wooden box sign style postcard measures 4-in x 6-in and has printed on front -- Sisters Are The Perfect Best Friend Wonderful gift for fans of Quotations and Box Signs. Once received, this card can be displayed on a bookshelf or table (leaning up against a support) or pinned to the wall or bulletin board. Write your message on the back of the card, address it and mail (additional postage required - 86 if mailing within the U.S.) Also available for Mom and Dad as well (search B00QTXO4EA and B00QTXKJ58)