Shark in Sunglasses Birthday Thank You CardsShark in Sunglasses thank you cards feature a cute shark wearing sunglasses. With a background of red, blue and orange anchors and stripes, it's a fun way to send your thanks. 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