the buttercup birthday card features my illustration of a buttercup garland surrounding a hand-lettered happy birthday message. celebrate a classic garden party with this watercolor illustration. this card is perfect to send to your favorite gardener, springtime birthday girl or the elegant and accomplished person in your life. measures about 4.25 x 5.5 inches. A2 Size. 100% recycled paper (card and envelope). folded card, blank inside. comes with white envelope.