Donut Grow Up Birthday Thank You CardsDonut Grow Up thank you cards feature delicious donuts with frosting and sprinkles all arranged in a kid pleasing pattern, complete with a funny pun! 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