Front Message: Sister and Brother-in-law because You’re Both Family There’s twice as much merry, twice as much cheer, Twice as much laughter and smiling all year… Inside Message: There’s twice as much closeness and happiness, too — Our family’s so lucky we’ve got both of you! Merry Christmas This Christmas card for a sister and brother-in-law features a festive photo embellished with glitter and foil Red envelope included. Card measures 5.375 in. x 8.25 in. American Greetings offers exceptional greeting cards, gift wrap and celebration products so you can connect in ways that fit your personality and authentic style!