Haunted House Halloween Thank You CardsHaunted House Halloween thank you cards feature a colorful haunted house. The colorful haunted house and bats flying in the background create 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 hand written 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.