This listing is for one birthday greeting card. "I hope your birthday is out of this world" Card size is 4.25 x 5.5 inches (A2) Blank inside for you to fill in. Printed on 110 lb cardstock paper. Tags: birthday cake, card, funny birthday card, pun, happy birthday, for him, for her, general birthday card, birthday gift, gifts, space, astronaut, kids, world, planets, outer space.