Pink Donut Grow Up Birthday Thank You CardsDonut Grow Up Thank You Cards feature yummy frosted donuts. Topped off with sprinkles, they make a sweet way to send your thanks. h2> Some features of our thank you cards: Professionally printed on 80# cardstock paper so you feel the quality. Teaches children how to send a meaningful handwritten note Easy to use because all you have to do is simply fill in and mail out 10 cards and 10 white envelopes included 4. 5" X 5. 5"so they are the perfect size