Meowmaids Birthday Thank You CardsMeowmaids thank you cards feature adorable kittens dressed up as mermaids, an aquatic blue background with seashells and starfish, all arranged in a kid pleasing pattern! 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"