Introducing kitty meow's bdays come once a year, funny birthday card for best buds, jokesters, and sarcastic folks. Blush Balloon Birthday Card Birthdays only come once a year. Thank fucking gosh for that. Amiright?! Happy birthday. Each witty 4.25" x 5.5" folded greeting card is printed on bright white, thick card stock and comes with a black A2 envelope. Blank inside.