Having twins? This charming Peas in a Pod birth announcement for twins is just perfect! The the square format stands out beautifully from everyday mail. You know at first glance it holds something special. Our little sweet pea, with your custom invitation text, is printed on semi-transparent vellum which folds over the top of the square back card, and is attached with a sage chiffon bow. Shown with Carlton Type. Requires assembly. This card requires additional postage due to the square envelope. Postage as of 6/11/07 is .58 for a square envelope.